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Manufactured in the USA, by Edelbrock, these heads feature A356 aluminium castings that are heat treated to T-6 spec for superior casting strength and quality. Their modern combustion chamber designs improve the combustion process and larger than stock intake and exhaust ports move more air through your engine. These features improve an engine's efficiency, resulting in more horsepower and torque and improved mileage potential. 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Manufactured in the USA, by Edelbrock, these heads feature A356 aluminium castings that are heat treated to T-6 spec for superior casting strength and quality. Their modern combustion chamber designs improve the combustion process and larger than stock intake and exhaust ports move more air through your engine. These features improve an engine's efficiency, resulting in more horsepower and torque and improved mileage potential. Dyno tests showed a gain of 16 hp and 11 ft\/lbs of torque over our overseas competitor.\u003cbr\u003e\u003cbr\u003e \u003cstrong\u003eCombustion chamber volume:\u003c\/strong\u003e 60cc \u003cbr\u003e \u003cstrong\u003eIntake runner volume: \u003c\/strong\u003e 170cc\u003cbr\u003e\u003cstrong\u003e Exhaust runner volume: \u003c\/strong\u003e 60cc\u003cbr\u003e\u003cstrong\u003e Intake valve diameter: \u003c\/strong\u003e 2.02\" \u003cbr\u003e\u003cstrong\u003e Exhaust valve diameter: \u003c\/strong\u003e 1.60\"\u003cbr\u003e\u003cstrong\u003e Valve stem diameter:\u003c\/strong\u003e 11\/32\" \u003cbr\u003e\u003cstrong\u003eValve guides:\u003c\/strong\u003e Manganese bronze \u003cbr\u003e\u003cstrong\u003eDeck thickness:\u003c\/strong\u003e 5\/8\" \u003cbr\u003e \u003cstrong\u003eValve spring diameter:\u003c\/strong\u003e 1.25\" \u003cbr\u003e \u003cstrong\u003eValve spring maximum lift:\u003c\/strong\u003e .550\"\u003cbr\u003e \u003cstrong\u003eRocker stud:\u003c\/strong\u003e 3\/8\" with guide plate\u003cbr\u003e \u003cstrong\u003eGuide plate:\u003c\/strong\u003e Hardened steel \u003cbr\u003e\u003cstrong\u003e Pushrod diameter:\u003c\/strong\u003e 5\/16\"\u003cbr\u003e\u003cstrong\u003eValve Angle: \u003c\/strong\u003e \u003cbr\u003e\u003cstrong\u003eExhaust port location:\u003c\/strong\u003e Stock \u003cbr\u003e\u003cstrong\u003eSpark plug fitment:\u003c\/strong\u003e 14mm x 3\/4\" reach, gasket seat \u003cbr\u003e \u003cstrong\u003eMade In:\u003c\/strong\u003e USA \u003c\/p\u003e\n\u003c\/div\u003e","brand":"EDELBROCK","offers":[{"title":"Small Block Ford, 170cc Intake Port, 2.02\" Intake Valves, Made In USA","offer_id":42692298670251,"sku":"ED5025","price":4038.31,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0520\/9319\/0315\/products\/edelbrock-small-block-ford-170cc-intake-port-2-02-intake-valves-made-in-usa-edelbrock-e-street-cylinder-heads-pair-complete-ed5025-srcopyright-1159753548.jpg?v=1749313931"},{"product_id":"ed5028","title":"Edelbrock E-Street Cylinder Head ED5028","description":"\u003cb\u003eE-Street Cylinder Head\u003c\/b\u003e\u003cb\u003eSuit SB Ford With Flat Tappet \u0026amp; Hydraulic Roller Camshaft\u003c\/b\u003e\u003cbr\u003e\u003cb\u003eBrand: \u003c\/b\u003e\u003cspan\u003eEDELBROCK\u003c\/span\u003e\u003cbr\u003e\u003cb\u003ePart Number: \u003c\/b\u003e\u003cspan\u003eED5028\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eDescription: \u003c\/b\u003e\u003cdiv class=\"value description\"\u003e \u003cp\u003e\u003cstrong\u003eE-STREET CYLINDER HEADS\u003c\/strong\u003e \u003cbr\u003e Edelbrock E-Street cylinder heads offer American made quality and affordable performance. E-Street cylinder heads feature as-cast ports and are designed for entry-level street performance applications operating in the idle-to-5500 rpm range. They are available for popular V8 engines.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e Cylinder Head Specifications: \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e Combustion chamber volume: \u003c\/strong\u003e 60cc\u003cbr\u003e\u003cstrong\u003e Intake runner volume:\u003c\/strong\u003e 205cc\u003cbr\u003e\u003cstrong\u003eExhaust runner volume:\u003c\/strong\u003e 62cc \u003cbr\u003e\u003cstrong\u003eIntake valve diameter:\u003c\/strong\u003e 2.08\"\u003cbr\u003e\u003cstrong\u003eExhaust valve diameter:\u003c\/strong\u003e 1.60\"\u003cbr\u003e\u003cstrong\u003eValve stem diameter: \u003c\/strong\u003e 11\/32\"\u003cbr\u003e\u003cstrong\u003eValve guides:\u003c\/strong\u003e Manganese Bronze\u003cbr\u003e\u003cstrong\u003eDeck thickness:\u003c\/strong\u003e 5\/8\" \u003cbr\u003e\u003cstrong\u003eValve spring diameter:\u003c\/strong\u003e 1.46\"\u003cbr\u003e\u003cstrong\u003eValve spring maximum lift:\u003c\/strong\u003e .575\"(5028) \/ .650\"(5027)\u003cbr\u003e\u003cstrong\u003e Rocker stud:\u003c\/strong\u003e 3\/8\" \u003cbr\u003e\u003cstrong\u003eGuide plate: \u003c\/strong\u003e Hardened steel\u003cbr\u003e\u003cstrong\u003ePushrod diameter: \u003c\/strong\u003e 5\/16\"\u003cbr\u003e\u003cstrong\u003e Valve angle:\u003c\/strong\u003e 20° \u003cbr\u003e\u003cstrong\u003eExhaust port location:\u003c\/strong\u003e Stock\u003cbr\u003e\u003cstrong\u003eSpark plug fitment: \u003c\/strong\u003e 14mm x 3\/4 reach, gasket seat\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e Spring Specification: #5028 \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e Installed Height:\u003c\/strong\u003e 1.800\"\u003cbr\u003e\u003cstrong\u003eSeated Pressure:\u003c\/strong\u003e 120 lbs. \u003cbr\u003e\u003cstrong\u003eOpen Pressure: \u003c\/strong\u003e 320 lbs. @ .600\" lift\u003cbr\u003e\u003cstrong\u003eMax Valve Lift:\u003c\/strong\u003e .575\"\u003c\/p\u003e\n\u003c\/div\u003e","brand":"EDELBROCK","offers":[{"title":"Suit SB Ford With Flat Tappet \u0026 Hydraulic Roller Camshaft","offer_id":42692298703019,"sku":"ED5028","price":4717.53,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0520\/9319\/0315\/products\/edelbrock-suit-sb-ford-with-flat-tappet-hydraulic-roller-camshaft-edelbrock-e-street-cylinder-head-ed5028-srcopyright-1159753542.jpg?v=1749313814"},{"product_id":"ed50459","title":"Edelbrock E-Street 290 Oval Port Cylinder Heads - Single - Complete ED50459","description":"\u003cb\u003eE-Street 290 Oval Port Cylinder Heads - Single - Complete\u003c\/b\u003e\u003cb\u003eBig Block Chevy, With 290cc oval ports \u0026amp; 110cc combustion chambers\u003c\/b\u003e\u003cbr\u003e\u003cb\u003eBrand: \u003c\/b\u003e\u003cspan\u003eEDELBROCK\u003c\/span\u003e\u003cbr\u003e\u003cb\u003ePart Number: \u003c\/b\u003e\u003cspan\u003eED50459\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eDescription: \u003c\/b\u003e\u003cdiv class=\"value description\"\u003e \u003cp\u003eE-Street cylinder heads are an all new line of Edelbrock heads designed for entry-level street performance engines, ideal for operating in the idle to 5,500 rpm range. Manufactured in the USA, by Edelbrock, these heads feature A356 aluminium castings that are heat treated to T-6 spec for superior casting strength and quality. Their modern combustion chamber designs improve the combustion process and larger than stock intake and exhaust ports move more air through your engine. These features improve an engine's efficiency, resulting in more horsepower and torque and improved mileage potential.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e Bare heads will have valve guides and seats installed, but will require final sizing and a valve job to match the valves you will be using.\u003c\/li\u003e \u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCombustion chamber volume:\u003c\/strong\u003e 110cc \u003cbr\u003e\u003cstrong\u003eIntake runner volume:\u003c\/strong\u003e 290cc \u003cbr\u003e\u003cstrong\u003eExhaust runner volume:\u003c\/strong\u003e 110cc\u003cbr\u003e \u003cstrong\u003eIntake valve diameter:\u003c\/strong\u003e 2.19\" \u003cbr\u003e \u003cstrong\u003eExhaust valve diameter:\u003c\/strong\u003e 1.88\" \u003cbr\u003e \u003cstrong\u003eValve stem diameter: \u003c\/strong\u003e 11\/32\" \u003cbr\u003e\u003cstrong\u003e Valve guides:\u003c\/strong\u003e Manganese bronze \u003cbr\u003e\u003cstrong\u003e Deck thickness:\u003c\/strong\u003e 9\/16\" \u003cbr\u003e\u003cstrong\u003eValve spring diameter:\u003c\/strong\u003e 1.55\" \u003cbr\u003e\u003cstrong\u003eValve spring maximum lift:\u003c\/strong\u003e .700\" \u003cbr\u003e\u003cstrong\u003eRocker stud:\u003c\/strong\u003e 7\/16\" with guide plate \u003cbr\u003e\u003cstrong\u003e Guide plate:\u003c\/strong\u003e Hardened steel\u003cbr\u003e\u003cstrong\u003e Pushrod diameter:\u003c\/strong\u003e 3\/8\"\u003cbr\u003e \u003cstrong\u003eValve Angle: \u003c\/strong\u003e 26°\u003cbr\u003e\u003cstrong\u003e Exhaust port location: \u003c\/strong\u003e Stock \u003cbr\u003e\u003cstrong\u003e Spark plug fitment:\u003c\/strong\u003e 14mm x 3\/4\" reach, gasket seat \u003cbr\u003e \u003cstrong\u003eMade In: \u003c\/strong\u003e USA \u003c\/p\u003e\n\u003c\/div\u003e","brand":"EDELBROCK","offers":[{"title":"Big Block Chevy, With 290cc oval ports \u0026 110cc combustion chambers","offer_id":42692298735787,"sku":"ED50459","price":3919.39,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0520\/9319\/0315\/products\/edelbrock-big-block-chevy-with-290cc-oval-ports-110cc-combustion-chambers-edelbrock-e-street-290-oval-port-cylinder-heads-single-complete-ed50459-srcopyright-1159753552.jpg?v=1749314162"},{"product_id":"ed60069","title":"Edelbrock Performer RPM FE Cylinder Heads - Single - Complete ED60069","description":"\u003cb\u003ePerformer RPM FE Cylinder Heads - Single - Complete\u003c\/b\u003e\u003cb\u003eFord FE for 390-428 Cobra Jet, 72cc combustion chambers\u003c\/b\u003e\u003cbr\u003e\u003cb\u003eBrand: \u003c\/b\u003e\u003cspan\u003eEDELBROCK\u003c\/span\u003e\u003cbr\u003e\u003cb\u003ePart Number: \u003c\/b\u003e\u003cspan\u003eED60069\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eDescription: \u003c\/b\u003e\u003cdiv class=\"value description\"\u003e \u003cp\u003ePerformer RPM heads are perfect for street performance, daily drivers, street rods and muscle cars where seat-of-the-pants performance is needed. 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These heads give great torque and horsepower up to 6500 rpm. \u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDesigned for non-emission 1968-73 340 Chryslers, RPM Chrysler 340 heads have chambers machined .060\" for clearance with early high-compression engines. \u003c\/li\u003e\n\u003cli\u003eThe special valvetrain in the 1970 340 T\/A is not compatible with these heads.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003cstrong\u003eCombustion chamber volume:\u003c\/strong\u003e 65cc \u003cbr\u003e \u003cstrong\u003eIntake runner volume: \u003c\/strong\u003e 171cc\u003cbr\u003e\u003cstrong\u003e Exhaust runner volume: \u003c\/strong\u003e 77cc\u003cbr\u003e\u003cstrong\u003e Intake valve diameter: \u003c\/strong\u003e 2.02\"\u003cbr\u003e\u003cstrong\u003e Exhaust valve diameter: \u003c\/strong\u003e 1.60\"\u003cbr\u003e\u003cstrong\u003e Valve stem diameter:\u003c\/strong\u003e 11\/32\"\u003cbr\u003e\u003cstrong\u003eValve guides:\u003c\/strong\u003e Manganese bronze \u003cbr\u003e\u003cstrong\u003eDeck thickness:\u003c\/strong\u003e 5\/8\"\u003cbr\u003e \u003cstrong\u003eValve spring diameter: \u003c\/strong\u003e1.46\"\u003cbr\u003e \u003cstrong\u003eValve spring maximum lift: \u003c\/strong\u003e.575\"\u003cbr\u003e \u003cstrong\u003eRocker stud:\u003c\/strong\u003e N\/A\u003cbr\u003e\u003cstrong\u003eGuide plate: \u003c\/strong\u003e N\/A\u003cbr\u003e\u003cstrong\u003e Pushrod diameter:\u003c\/strong\u003e 5\/16\"\u003cbr\u003e\u003cstrong\u003eValve Angle: \u003c\/strong\u003e 18°\u003cbr\u003e\u003cstrong\u003e Exhaust port location: \u003c\/strong\u003eStock\u003cbr\u003e\u003cstrong\u003e Spark plug fitment:\u003c\/strong\u003e 14mm x 3\/4\" reach, gasket seat \u003cbr\u003e\u003cstrong\u003eMade In: \u003c\/strong\u003e USA\u003c\/p\u003e\n\u003c\/div\u003e","brand":"EDELBROCK","offers":[{"title":"Small Block Chrysler 340, great torque and horsepower up to 6500 rpm","offer_id":42692299194539,"sku":"ED60179","price":2755.95,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0520\/9319\/0315\/products\/edelbrock-small-block-chrysler-340-great-torque-and-horsepower-up-to-6500-rpm-edelbrock-performer-rpm-chrysler-340-cylinder-heads-single-complete-ed60179-srcopyright-1159753523.jpg?v=1749313440"},{"product_id":"ed60559","title":"Edelbrock Performer RPM 454 Rectangle Port Cylinder Heads - Single - Complete ED60559","description":"\u003cb\u003ePerformer RPM 454 Rectangle Port Cylinder Heads - Single - Complete\u003c\/b\u003e\u003cb\u003eBB Chevy, 118cc chambers, great torque and horsepower up to 6500 rpm\u003c\/b\u003e\u003cbr\u003e\u003cb\u003eBrand: \u003c\/b\u003e\u003cspan\u003eEDELBROCK\u003c\/span\u003e\u003cbr\u003e\u003cb\u003ePart Number: \u003c\/b\u003e\u003cspan\u003eED60559\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eDescription: \u003c\/b\u003e\u003cdiv class=\"value description\"\u003e \u003cp\u003ePerformer RPM heads are perfect for street performance, daily drivers, street rods and muscle cars where seat-of-the-pants performance is needed. These heads give great torque and horsepower up to 6500 rpm.\u003c\/p\u003e \u003cul\u003e\n\u003cli\u003eDesigned for street\/high-performance big-blocks operating from 2500-7000 rpm. \u003c\/li\u003e\n\u003cli\u003e Specially designed ports for increased flow and velocity over standard big-block heads. \u003c\/li\u003e\n\u003cli\u003e Highly-efficient 118cc open-style combustion chamber. \u003c\/li\u003e\n\u003cli\u003e High-velocity 315cc long\/300cc short intake ports. \u003c\/li\u003e\n\u003cli\u003e Smaller-than-stock 11\/32\" valve stems promote excellent flow and lighter valve weight.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e Combustion chamber volume: \u003c\/strong\u003e 118cc \u003cbr\u003e\u003cstrong\u003e Intake runner volume:\u003c\/strong\u003e 315cc\u003cbr\u003e\u003cstrong\u003eExhaust runner volume:\u003c\/strong\u003e 110cc \u003cbr\u003e\u003cstrong\u003eIntake valve diameter:\u003c\/strong\u003e 2.19\"\u003cbr\u003e \u003cstrong\u003eExhaust valve diameter:\u003c\/strong\u003e 1.88\"\u003cbr\u003e \u003cstrong\u003eValve stem diameter: \u003c\/strong\u003e 11\/32\"\u003cbr\u003e\u003cstrong\u003e Valve guides:\u003c\/strong\u003e Manganese bronze \u003cbr\u003e\u003cstrong\u003e In:\u003c\/strong\u003e USA\u003c\/p\u003e Deck thickness: 9\/16\"\u003cbr\u003e \u003cstrong\u003eValve spring diameter: \u003c\/strong\u003e1.55\"\u003cbr\u003e \u003cstrong\u003eValve spring maximum lift: \u003c\/strong\u003e.700\"\u003cbr\u003e \u003cstrong\u003eRocker stud:\u003c\/strong\u003e 7\/16\" \u003cbr\u003e\u003cstrong\u003eGuide plate: \u003c\/strong\u003e Hardened Steel\u003cbr\u003e \u003cstrong\u003ePushrod diameter: \u003c\/strong\u003e 3\/8\"\u003cbr\u003e \u003cstrong\u003e Valve Angle:\u003c\/strong\u003e 26° \u003cbr\u003e\u003cstrong\u003eExhaust port location: \u003c\/strong\u003eStock \u003cbr\u003e \u003cstrong\u003eSpark plug fitment: \u003c\/strong\u003e 14mm x 3\/4\" reach, gasket seat \u003cbr\u003e \u003cstrong\u003eMade \u003c\/strong\u003e\n\u003c\/div\u003e","brand":"EDELBROCK","offers":[{"title":"BB Chevy, 118cc chambers, great torque and horsepower up to 6500 rpm","offer_id":42692299227307,"sku":"ED60559","price":3745.42,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0520\/9319\/0315\/products\/edelbrock-bb-chevy-118cc-chambers-great-torque-and-horsepower-up-to-6500-rpm-edelbrock-performer-rpm-454-rectangle-port-cylinder-heads-single-complete-ed60559-srcopyright-1159753518.jpg?v=1749313326"},{"product_id":"ed60679","title":"Edelbrock Performer RPM 460 Cylinder Heads - Single - Complete ED60679","description":"\u003cb\u003ePerformer RPM 460 Cylinder Heads - Single - Complete\u003c\/b\u003e\u003cb\u003eFord 429-460, 75cc combustion chambers, 292cc Intake port\u003c\/b\u003e\u003cbr\u003e\u003cb\u003eBrand: \u003c\/b\u003e\u003cspan\u003eEDELBROCK\u003c\/span\u003e\u003cbr\u003e\u003cb\u003ePart Number: \u003c\/b\u003e\u003cspan\u003eED60679\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eDescription: \u003c\/b\u003e\u003cdiv class=\"value description\"\u003e \u003cp\u003ePerformer RPM heads are perfect for street performance, daily drivers, street rods and muscle cars where seat-of-the-pants performance is needed. These heads give great torque and horsepower up to 6500 rpm.\u003c\/p\u003e \u003cul\u003e\n\u003cli\u003eDesigned for 1968-87 429-460 Fords \u003c\/li\u003e\n\u003cli\u003eIdeal for high-performance street and drag racing \u003c\/li\u003e\n\u003cli\u003eOver 500+ hp at 6500 rpm (+30 hp more than ported factory heads) and 525+ ft\/lbs. of torque at 4500 rpm with the Performer RPM Total Power Package \u003c\/li\u003e\n\u003cli\u003eIntake ports can be opened up to match Victor manifolds # ED2965 and # ED2966\u003c\/li\u003e\n\u003cli\u003ePerformer RPM 460 heads accept factory exhaust, aftermarket headers and factory valvetrain components.\u003c\/li\u003e\n\u003cli\u003eRequires the use of 3\/8\" diameter pushrods\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e Combustion chamber volume: \u003c\/strong\u003e 75cc\u003cbr\u003e\u003cstrong\u003e Intake runner volume:\u003c\/strong\u003e 292cc\u003cbr\u003e\u003cstrong\u003eExhaust runner volume:\u003c\/strong\u003e 100cc \u003cbr\u003e\u003cstrong\u003eIntake valve diameter:\u003c\/strong\u003e 2.19\"\u003cbr\u003e \u003cstrong\u003eExhaust valve diameter:\u003c\/strong\u003e 1.76\"\u003cbr\u003e \u003cstrong\u003eValve stem diameter: \u003c\/strong\u003e 11\/32\"\u003cbr\u003e\u003cstrong\u003e Valve guides:\u003c\/strong\u003e Manganese bronze \u003cbr\u003e\u003cstrong\u003e Deck thickness:\u003c\/strong\u003e 5\/8\" \u003cbr\u003e\u003cstrong\u003eValve spring diameter: \u003c\/strong\u003e1.55\"\u003cbr\u003e \u003cstrong\u003eValve spring maximum lift: \u003c\/strong\u003e.700\"\u003cbr\u003e \u003cstrong\u003eRocker stud:\u003c\/strong\u003e 7\/16\"\u003cbr\u003e\u003cstrong\u003eGuide plate: \u003c\/strong\u003e Hardened Steel\u003cbr\u003e \u003cstrong\u003ePushrod diameter: \u003c\/strong\u003e 3\/8\"\u003cbr\u003e\u003cstrong\u003e Exhaust port location: \u003c\/strong\u003eStock\u003cbr\u003e\u003cstrong\u003e Spark plug fitment:\u003c\/strong\u003e 14mm x 3\/4\" reach, gasket seat \u003cbr\u003e\u003cstrong\u003eMade In: \u003c\/strong\u003e USA\u003c\/p\u003e\n\u003c\/div\u003e","brand":"EDELBROCK","offers":[{"title":"Ford 429-460, 75cc combustion chambers, 292cc Intake port","offer_id":42692299260075,"sku":"ED60679","price":4407.89,"currency_code":"NZD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0520\/9319\/0315\/products\/edelbrock-ford-429-460-75cc-combustion-chambers-292cc-intake-port-edelbrock-performer-rpm-460-cylinder-heads-single-complete-ed60679-srcopyright-1159753514.jpg?v=1749313095"},{"product_id":"ed61629","title":"Edelbrock Performer RPM 351C Cylinder Heads - Single - Complete ED61629","description":"\u003cb\u003ePerformer RPM 351C Cylinder Heads - Single - Complete\u003c\/b\u003e\u003cb\u003eFord 302-351C 2V, 60cc combustion chambers, 190cc intake port\u003c\/b\u003e\u003cbr\u003e\u003cb\u003eBrand: \u003c\/b\u003e\u003cspan\u003eEDELBROCK\u003c\/span\u003e\u003cbr\u003e\u003cb\u003ePart Number: \u003c\/b\u003e\u003cspan\u003eED61629\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eDescription: \u003c\/b\u003e\u003cdiv class=\"value description\"\u003e \u003cp\u003ePerformer RPM heads are perfect for street performance, daily drivers, street rods and muscle cars where seat-of-the-pants performance is needed. These heads give great torque and horsepower up to 6500 rpm.\u003c\/p\u003e \u003cul\u003e\n\u003cli\u003eDesigned for 302-351C, 351M \u0026amp; 400M Ford engines. \u003c\/li\u003e\n\u003cli\u003eVery streetable 190cc intake runners. \u003c\/li\u003e\n\u003cli\u003e2.05\" intake and 1.60\" exhaust valves. \u003c\/li\u003e\n\u003cli\u003e\"Compact charge\" combustion chamber design. \u003c\/li\u003e\n\u003cli\u003eIntake and exhaust ports based on 2V design. \u003c\/li\u003e\n\u003cli\u003eOptimised spark plug location provides improved header clearance. \u003c\/li\u003e\n\u003cli\u003eMatch with Edelbrock RPM Air-Gap manifolds for optimum performance.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eCombustion chamber volume:\u003c\/strong\u003e 60cc \u003cbr\u003e \u003cstrong\u003eIntake runner volume: \u003c\/strong\u003e 190cc\u003cbr\u003e \u003cstrong\u003e Exhaust runner volume: \u003c\/strong\u003e 90cc\u003cbr\u003e \u003cstrong\u003e Intake valve diameter: \u003c\/strong\u003e 2.05\"\u003cbr\u003e \u003cstrong\u003e Exhaust valve diameter: \u003c\/strong\u003e 1.60\"\u003cbr\u003e \u003cstrong\u003e Valve stem diameter: \u003c\/strong\u003e 11\/32\"\u003cbr\u003e\u003cstrong\u003e Valve guides:\u003c\/strong\u003e Manganese bronze \u003cbr\u003e\u003cstrong\u003e Deck thickness:\u003c\/strong\u003e 5\/8\" \u003cbr\u003e \u003cstrong\u003eValve spring diameter: \u003c\/strong\u003e1.55\"\u003cbr\u003e \u003cstrong\u003eValve spring maximum lift: \u003c\/strong\u003e.580\"\u003cbr\u003e \u003cstrong\u003eRocker stud:\u003c\/strong\u003e 7\/16\" \u003cbr\u003e\u003cstrong\u003eGuide plate: \u003c\/strong\u003e Hardened Steel\u003cbr\u003e \u003cstrong\u003ePushrod diameter: \u003c\/strong\u003e 5\/16\"\u003cbr\u003e \u003cstrong\u003e Exhaust port location: \u003c\/strong\u003eStock\u003cbr\u003e \u003cstrong\u003e Spark plug fitment: \u003c\/strong\u003e 14mm x 3\/4\" reach, gasket seat \u003cbr\u003e\u003cstrong\u003eMade In: \u003c\/strong\u003e USA\u003c\/p\u003e\n\u003c\/div\u003e","brand":"EDELBROCK","offers":[{"title":"Ford 302-351C 2V, 60cc combustion chambers, 190cc intake port","offer_id":42692299292843,"sku":"ED61629","price":3983.54,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0520\/9319\/0315\/products\/edelbrock-ford-302-351c-2v-60cc-combustion-chambers-190cc-intake-port-edelbrock-performer-rpm-351c-cylinder-heads-single-complete-ed61629-srcopyright-1159753505.jpg?v=1749312968"},{"product_id":"ed61729","title":"Edelbrock Victor Jr. 16° Cylinder Head - Single - Complete ED61729","description":"\u003cb\u003eVictor Jr. 16° Cylinder Head - Single - Complete\u003c\/b\u003e\u003cb\u003eSB Chrysler, 225cc Intake Ports, 60cc Combustion Chambers\u003c\/b\u003e\u003cbr\u003e\u003cb\u003eBrand: \u003c\/b\u003e\u003cspan\u003eEDELBROCK\u003c\/span\u003e\u003cbr\u003e\u003cb\u003ePart Number: \u003c\/b\u003e\u003cspan\u003eED61729\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eDescription: \u003c\/b\u003e\u003cdiv class=\"value description\"\u003e \u003cp\u003eThese Edelbrock #61729 Victor Series cylinder head is for use on 1967-1991, 318-360 c.i.d. Chrysler LA engines. They feature fully CNC ported 58cc combustion chambers and have an intake port volume of 225cc. This cylinder head is an in-line valve design incorporating a 16deg valve angle (stock is 18deg) for improved air flow and increased power levels over heavily ported stock versions. They also feature the Chrysler W5 bolt pattern and have raised exhaust ports. The intake port has also been raised approximately 3\/4\" and the flange has also been extended to accommodate a stock (race) intake manifold such as our Super Victor #2815. Finally, a 5.56\" overall length valve (+0.600\" from stock) and raised rocker cover permit larger port cross-sections than in the stock head. Four versions are available; bare, bare with valves, complete (for hydraulic\/flat tappet cams and solid roller cams) and Pro Port Raw. End-seal spacers are provided.\u003c\/p\u003e\n\u003cp\u003e \u003cstrong\u003eSpecifications: \u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCNC Ported: No\u003c\/li\u003e\n\u003cli\u003eCombustion Chamber Volume: 60 cc\u003c\/li\u003e\n\u003cli\u003eDeck Height: 9.600 in\u003c\/li\u003e\n\u003cli\u003eDeck Thickness: 0.625 in\u003c\/li\u003e \u003cli\u003eIntake Valve Diameter: 2.15 in\u003c\/li\u003e\n\u003cli\u003eExhaust Valve Diameter: 1.60 in\u003c\/li\u003e\n\u003cli\u003e Guide Plates Included: No\u003c\/li\u003e\n\u003cli\u003eIntake Runner Volume: 225 cc\u003c\/li\u003e\n\u003cli\u003eMaterial: Aluminum \u003c\/li\u003e\n\u003cli\u003ePush Rod Diameter: 0.312 in\u003c\/li\u003e\n\u003cli\u003eValve Angle: 16 deg\u003c\/li\u003e\n\u003cli\u003eValve Spring Diameter: 1.55 in\u003c\/li\u003e\n\u003cli\u003e Valve Spring Maximum Lift: 0.670 in\u003c\/li\u003e\n\u003cli\u003eValve Stem Diameter: 0.3438 in\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"EDELBROCK","offers":[{"title":"SB Chrysler, 225cc Intake Ports, 60cc Combustion Chambers","offer_id":42692299325611,"sku":"ED61729","price":6326.6,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0520\/9319\/0315\/products\/edelbrock-sb-chrysler-225cc-intake-ports-60cc-combustion-chambers-edelbrock-victor-jr-16-cylinder-head-single-complete-ed61729-srcopyright-1159753510.jpg?v=1749313083"},{"product_id":"ed5027","title":"Edelbrock E-street Aluminium Cylinder Heads ED5027","description":"\u003cb\u003eE-street Aluminium Cylinder Heads\u003c\/b\u003e\u003cb\u003eSuit Ford 289-351w, Springs to suit Solid Flat Tappet or Hyd Roller Cam Comes complete as a pair\u003c\/b\u003e\u003cbr\u003e\u003cb\u003eBrand: \u003c\/b\u003e\u003cspan\u003eEDELBROCK\u003c\/span\u003e\u003cbr\u003e\u003cb\u003ePart Number: \u003c\/b\u003e\u003cspan\u003eED5027\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eDescription: \u003c\/b\u003e\u003cdiv class=\"value description\"\u003e \u003cul\u003e\n\u003cli\u003eCombustion chamber volume: 60cc\u003c\/li\u003e\n\u003cli\u003eIntake runner volume: 205cc\u003c\/li\u003e\n\u003cli\u003e Exhaust runner volume: 62cc \u003c\/li\u003e\n\u003cli\u003eIntake valve diameter: 2.08\"\u003c\/li\u003e\n\u003cli\u003e Exhaust valve diameter: 1.60\" \u003c\/li\u003e\n\u003cli\u003eValve stem diameter: 11\/32\"\u003c\/li\u003e\n\u003cli\u003eValve guides: Manganese Bronze\u003c\/li\u003e\n\u003cli\u003eDeck thickness: 5\/8\"\u003c\/li\u003e\n\u003cli\u003eValve spring diameter: 1.46\"\u003c\/li\u003e \u003cli\u003eValve spring maximum lift: .650\"\u003c\/li\u003e\n\u003cli\u003eRocker stud: 3\/8\"\u003c\/li\u003e\n\u003cli\u003eGuide plate: Hardened steel\u003c\/li\u003e\n\u003cli\u003ePushrod diameter: 5\/16\"\u003c\/li\u003e \u003cli\u003eValve angle: 20°\u003c\/li\u003e \u003cli\u003eExhaust port location: Stock\u003c\/li\u003e\n\u003cli\u003eSpark plug fitment: 14mm x 3\/4 reach, gasket seat\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003cstrong\u003eE-SERIES E-205 FORD FEATURES:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRace-level performance while maintaining full compatibility with OEM equipment\u003c\/li\u003e\n\u003cli\u003eFeatures larger runners for increased airflow and revised exhaust ports and larger diameter springs for higher lift camshafts making it ideal for a spec series racer and larger displacement engines \u003c\/li\u003e\n\u003cli\u003eThe exhaust port flange is in the stock location to allow for the use of off-the-shelf headers and hardware while the enlarged valves and ports support the power needed to compete at engine speeds of up to 6500 rpm\u003c\/li\u003e\n\u003cli\u003eCapable of supporting more than 500 naturally aspirated horsepower and even more in forced induction applications \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"EDELBROCK","offers":[{"title":"Suit Ford 289-351w, Springs to suit Solid Flat Tappet or Hyd Roller C","offer_id":42692307681451,"sku":"ED5027","price":5448.26,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0520\/9319\/0315\/products\/edelbrock-suit-ford-289-351w-springs-to-suit-solid-flat-tappet-or-hyd-roller-c-edelbrock-e-street-aluminium-cylinder-heads-ed5027-srcopyright-1159753186.jpg?v=1749307219"},{"product_id":"ed5073","title":"Edelbrock E-Street 185 Cylinder Heads - 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Manufactured in the USA, by Edelbrock, these heads feature A356 aluminium castings that are heat treated to T-6 spec for superior casting strength and quality. Their modern combustion chamber designs improve the combustion process and larger than stock intake and exhaust ports move more air through your engine. These features improve an engine's efficiency, resulting in more horsepower and torque and improved mileage potential. Dyno tests showed a gain of 16 hp and 11 ft\/lbs of torque over our overseas competitor.\u003cbr\u003e\u003cbr\u003e \u003cstrong\u003eCombustion chamber volume:\u003c\/strong\u003e 70cc \u003cbr\u003e \u003cstrong\u003eIntake runner volume: \u003c\/strong\u003e 185cc\u003cbr\u003e\u003cstrong\u003e Exhaust runner volume: \u003c\/strong\u003e 60cc\u003cbr\u003e\u003cstrong\u003e Intake valve diameter: \u003c\/strong\u003e 2.02\"\u003cbr\u003e\u003cstrong\u003e Exhaust valve diameter: \u003c\/strong\u003e 1.60\"\u003cbr\u003e\u003cstrong\u003e Valve stem diameter:\u003c\/strong\u003e 11\/32\"\u003cbr\u003e\u003cstrong\u003eValve guides:\u003c\/strong\u003e Manganese bronze \u003cbr\u003e\u003cstrong\u003eDeck thickness:\u003c\/strong\u003e 9\/16\"\u003cbr\u003e \u003cstrong\u003eValve spring diameter:\u003c\/strong\u003e1.25\"\u003cbr\u003e \u003cstrong\u003eValve spring maximum lift:\u003c\/strong\u003e.550\"\u003cbr\u003e \u003cstrong\u003eRocker stud:\u003c\/strong\u003e 3\/8\" with guide plate\u003cbr\u003e \u003cstrong\u003eGuide plate:\u003c\/strong\u003e Hardened Steel\u003cbr\u003e\u003cstrong\u003e Pushrod diameter:\u003c\/strong\u003e 5\/16\"\u003cbr\u003e\u003cstrong\u003eValve Angle: \u003c\/strong\u003e 23°\u003cbr\u003e\u003cstrong\u003e Exhaust port location: \u003c\/strong\u003e Stock\u003cbr\u003e\u003cstrong\u003e Spark plug fitment:\u003c\/strong\u003e 14mm x 3\/4\" reach, gasket seat \u003cbr\u003e\u003cstrong\u003eMade In: \u003c\/strong\u003e USA\u003c\/p\u003e\n\u003c\/div\u003e","brand":"EDELBROCK","offers":[{"title":"Small Block Chevy, With straight plugs, 185cc Intake Port, 70cc chamb","offer_id":42692307714219,"sku":"ED5073","price":4034.97,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0520\/9319\/0315\/products\/edelbrock-small-block-chevy-with-straight-plugs-185cc-intake-port-70cc-chamb-edelbrock-e-street-185-cylinder-heads-pair-complete-ed5073-srcopyright-1159753191.jpg?v=1749307332"},{"product_id":"ed5085","title":"Edelbrock E-210 Cylinder Heads - Pair - Complete ED5085","description":"\u003cb\u003eE-210 Cylinder Heads - Pair - Complete\u003c\/b\u003e\u003cb\u003eSB Chevy, 64cc chambers, springs for hydraulic flat tappet \u0026amp; roller cams\u003c\/b\u003e\u003cbr\u003e\u003cb\u003eBrand: \u003c\/b\u003e\u003cspan\u003eEDELBROCK\u003c\/span\u003e\u003cbr\u003e\u003cb\u003ePart Number: \u003c\/b\u003e\u003cspan\u003eED5085\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eDescription: \u003c\/b\u003e\u003cdiv class=\"value description\"\u003e \u003cp\u003eThe new E-210 cylinder head for small-block Chevy engines provides race-level performance while maintaining full compatibility with OEM equipment. It features larger runners for increased airflow, revised exhaust ports and larger diameter springs for higher lift camshafts, making them ideal for a spec series racer and larger displacement engines. The exhaust port flange is in the stock location to allow for the use of off-the-shelf headers and hardware, while the enlarged valves and ports support the power needed to compete at engine speeds of up to 6500 rpm. The E-210 cylinder head is capable of supporting more than 500 naturally aspirated horsepower, and even more in forced induction applications.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMade in the USA \u003c\/li\u003e\n\u003cli\u003e Race-level performance while maintaining full compatibility with OEM equipment \u003c\/li\u003e\n\u003cli\u003eCapable of supporting more than 500 naturally aspirated horsepower and more in forced induction applications \u003c\/li\u003e \u003cli\u003eFeatures larger runners for increased airflow \u003c\/li\u003e \u003cli\u003eRevised exhaust ports and larger diameter springs for higher lift camshafts \u003c\/li\u003e \u003cli\u003eIdeal for a spec series racer and larger displacement engines \u003c\/li\u003e\n\u003cli\u003eExhaust port flange is in the stock location to allow for the use of off-the-shelf headers and hardware \u003c\/li\u003e\n\u003cli\u003eLarger valves and ports support engine speeds up to 6500 rpm \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e Combustion chamber volume: \u003c\/strong\u003e 64cc \u003cbr\u003e\u003cstrong\u003e Intake runner volume:\u003c\/strong\u003e 210cc\u003cbr\u003e\u003cstrong\u003eExhaust runner volume:\u003c\/strong\u003e 62cc \u003cbr\u003e\u003cstrong\u003eIntake valve diameter:\u003c\/strong\u003e 2.08\"\u003cbr\u003e \u003cstrong\u003eExhaust valve diameter:\u003c\/strong\u003e 1.60\"\u003cbr\u003e \u003cstrong\u003eValve stem diameter: \u003c\/strong\u003e 11\/32\"\u003cbr\u003e\u003cstrong\u003e Valve guides:\u003c\/strong\u003e Manganese bronze \u003cbr\u003e\u003cstrong\u003e Deck thickness:\u003c\/strong\u003e 9\/16\"\u003cbr\u003e \u003cstrong\u003eValve spring diameter:\u003c\/strong\u003e 1.46\"\u003cbr\u003e \u003cstrong\u003eValve spring maximum lift:\u003c\/strong\u003e .575\"\u003cbr\u003e \u003cstrong\u003eRocker stud:\u003c\/strong\u003e 3\/8\"\u003cbr\u003e strong\u0026gt;Guide plate: Hardened Steel\u003cbr\u003e \u003cstrong\u003e Pushrod diameter: \u003c\/strong\u003e 5\/16\"\u003cbr\u003e\u003cstrong\u003e Valve Angle:\u003c\/strong\u003e 23° \u003c\/p\u003e\n\u003c\/div\u003e","brand":"EDELBROCK","offers":[{"title":"SB Chevy, 64cc chambers, springs for hydraulic flat tappet \u0026 roller c","offer_id":42692307779755,"sku":"ED5085","price":4799.45,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0520\/9319\/0315\/products\/edelbrock-sb-chevy-64cc-chambers-springs-for-hydraulic-flat-tappet-roller-c-edelbrock-e-210-cylinder-heads-pair-complete-ed5085-srcopyright-1159753180.jpg?v=1749307201"},{"product_id":"ed5087","title":"Edelbrock E-210 Cylinder Heads - Pair - Complete ED5087","description":"\u003cb\u003eE-210 Cylinder Heads - Pair - Complete\u003c\/b\u003e\u003cb\u003eSB Chevy, 64cc chambers, springs for mechanical flat tappet \u0026amp; roller cams\u003c\/b\u003e\u003cbr\u003e\u003cb\u003eBrand: \u003c\/b\u003e\u003cspan\u003eEDELBROCK\u003c\/span\u003e\u003cbr\u003e\u003cb\u003ePart Number: \u003c\/b\u003e\u003cspan\u003eED5087\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eDescription: \u003c\/b\u003e\u003cdiv class=\"value description\"\u003e \u003cp\u003eThe new E-210 cylinder head for small-block Chevy engines provides race-level performance while maintaining full compatibility with OEM equipment. It features larger runners for increased airflow, revised exhaust ports and larger diameter springs for higher lift camshafts, making them ideal for a spec series racer and larger displacement engines. The exhaust port flange is in the stock location to allow for the use of off-the-shelf headers and hardware, while the enlarged valves and ports support the power needed to compete at engine speeds of up to 6500 rpm. The E-210 cylinder head is capable of supporting more than 500 naturally aspirated horsepower, and even more in forced induction applications.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMade in the USA \u003c\/li\u003e\n\u003cli\u003e Race-level performance while maintaining full compatibility with OEM equipment \u003c\/li\u003e\n\u003cli\u003eCapable of supporting more than 500 naturally aspirated horsepower and more in forced induction applications \u003c\/li\u003e \u003cli\u003e Features larger runners for increased airflow \u003c\/li\u003e \u003cli\u003e Revised exhaust ports and larger diameter springs for higher lift camshafts \u003c\/li\u003e \u003cli\u003eIdeal for a spec series racer and larger displacement engines \u003c\/li\u003e\n\u003cli\u003eExhaust port flange is in the stock location to allow for the use of off-the-shelf headers and hardware \u003c\/li\u003e\n\u003cli\u003eLarger valves and ports support engine speeds up to 6500 rpm \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e Combustion chamber volume: \u003c\/strong\u003e 64cc \u003cbr\u003e\u003cstrong\u003e Intake runner volume:\u003c\/strong\u003e 210cc\u003cbr\u003e\u003cstrong\u003eExhaust runner volume:\u003c\/strong\u003e 62cc \u003cbr\u003e\u003cstrong\u003eIntake valve diameter:\u003c\/strong\u003e 2.08\"\u003cbr\u003e \u003cstrong\u003eExhaust valve diameter:\u003c\/strong\u003e 1.60\"\u003cbr\u003e \u003cstrong\u003eValve stem diameter: \u003c\/strong\u003e 11\/32\"\u003cbr\u003e\u003cstrong\u003e Valve guides:\u003c\/strong\u003e Manganese bronze \u003cbr\u003e\u003cstrong\u003e Deck thickness:\u003c\/strong\u003e 9\/16\"\u003cbr\u003e \u003cstrong\u003eValve spring diameter:\u003c\/strong\u003e 1.46\"\u003cbr\u003e \u003cstrong\u003eValve spring maximum lift:\u003c\/strong\u003e .650\"\u003cbr\u003e \u003cstrong\u003eRocker stud:\u003c\/strong\u003e 3\/8\"\u003cbr\u003e \u003cstrong\u003eGuide plate: \u003c\/strong\u003eHardened Steel\u003cbr\u003e \u003cstrong\u003e Pushrod diameter: \u003c\/strong\u003e 5\/16\"\u003cbr\u003e\u003cstrong\u003e Valve Angle:\u003c\/strong\u003e 23° \u003cbr\u003e \u003c\/p\u003e\n\u003c\/div\u003e","brand":"EDELBROCK","offers":[{"title":"SB Chevy, 64cc chambers, springs for mechanical flat tappet \u0026 roller","offer_id":42692307812523,"sku":"ED5087","price":4983.07,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0520\/9319\/0315\/products\/edelbrock-sb-chevy-64cc-chambers-springs-for-mechanical-flat-tappet-roller-edelbrock-e-210-cylinder-heads-pair-complete-ed5087-srcopyright-1159753171.jpg?v=1749306975"},{"product_id":"ed5089","title":"Edelbrock E-Street 185 Cylinder Heads - Pair - Complete ED5089","description":"\u003cb\u003eE-Street 185 Cylinder Heads - Pair - Complete\u003c\/b\u003e\u003cb\u003eSmall Block Chevy, With straight plugs, 185cc Intake Port, 64cc chambers\u003c\/b\u003e\u003cbr\u003e\u003cb\u003eBrand: \u003c\/b\u003e\u003cspan\u003eEDELBROCK\u003c\/span\u003e\u003cbr\u003e\u003cb\u003ePart Number: \u003c\/b\u003e\u003cspan\u003eED5089\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eDescription: \u003c\/b\u003e\u003cdiv class=\"value description\"\u003e \u003cp\u003eE-Street cylinder heads are an all new line of Edelbrock heads designed for entry-level street performance engines, ideal for operating in the idle to 5,500 rpm range. Manufactured in the USA, by Edelbrock, these heads feature A356 aluminium castings that are heat treated to T-6 spec for superior casting strength and quality. Their modern combustion chamber designs improve the combustion process and larger than stock intake and exhaust ports move more air through your engine. These features improve an engine's efficiency, resulting in more horsepower and torque and improved mileage potential. Dyno tests showed a gain of 16 hp and 11 ft\/lbs of torque over our overseas competitor.\u003cbr\u003e\u003cbr\u003e \u003cstrong\u003eCombustion chamber volume:\u003c\/strong\u003e 64cc \u003cbr\u003e \u003cstrong\u003eIntake runner volume: \u003c\/strong\u003e 185cc\u003cbr\u003e\u003cstrong\u003e Exhaust runner volume: \u003c\/strong\u003e 60cc\u003cbr\u003e\u003cstrong\u003e Intake valve diameter: \u003c\/strong\u003e 2.02\"\u003cbr\u003e\u003cstrong\u003e Exhaust valve diameter: \u003c\/strong\u003e 1.60\";\u003cbr\u003e\u003cstrong\u003e Valve stem diameter:\u003c\/strong\u003e 11\/32\"\u003cbr\u003e\u003cstrong\u003eValve guides:\u003c\/strong\u003e Manganese bronze \u003cbr\u003e\u003cstrong\u003eDeck thickness:\u003c\/strong\u003e 9\/16\"\u003cbr\u003e \u003cstrong\u003eValve spring diameter:\u003c\/strong\u003e1.25\"\u003cbr\u003e \u003cstrong\u003eValve spring maximum lift:\u003c\/strong\u003e.550\"\u003cbr\u003e \u003cstrong\u003eRocker stud:\u003c\/strong\u003e 3\/8\" with guide plate\u003cbr\u003e \u003cstrong\u003eGuide plate:\u003c\/strong\u003e Hardened Steel\u003cbr\u003e\u003cstrong\u003e Pushrod diameter:\u003c\/strong\u003e 5\/16\"\u003cbr\u003e\u003cstrong\u003eValve Angle: \u003c\/strong\u003e 23°\u003cbr\u003e\u003cstrong\u003e Exhaust port location: \u003c\/strong\u003e Stock\u003cbr\u003e\u003cstrong\u003e Spark plug fitment:\u003c\/strong\u003e 14mm x 3\/4\" reach, gasket seat \u003cbr\u003e\u003cstrong\u003eMade In: \u003c\/strong\u003e USA\u003c\/p\u003e\n\u003c\/div\u003e","brand":"EDELBROCK","offers":[{"title":"Small Block Chevy, With straight plugs, 185cc Intake Port, 64cc chamb","offer_id":42692307845291,"sku":"ED5089","price":4068.78,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0520\/9319\/0315\/products\/edelbrock-small-block-chevy-with-straight-plugs-185cc-intake-port-64cc-chamb-edelbrock-e-street-185-cylinder-heads-pair-complete-ed5089-srcopyright-1159753165.jpg?v=1749306857"},{"product_id":"ed5090","title":"Edelbrock E-Street Cylinder Head ED5090","description":"\u003cb\u003eE-Street Cylinder Head\u003c\/b\u003e\u003cb\u003eSuit BB Chrysler 440 (75cc) With Flat Tappet \u0026amp; Hydraulic Roller Camshaft\u003c\/b\u003e\u003cbr\u003e\u003cb\u003eBrand: \u003c\/b\u003e\u003cspan\u003eEDELBROCK\u003c\/span\u003e\u003cbr\u003e\u003cb\u003ePart Number: \u003c\/b\u003e\u003cspan\u003eED5090\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eDescription: \u003c\/b\u003e\u003cdiv class=\"value description\"\u003e \u003cp\u003e\u003cstrong\u003eE-STREET CYLINDER HEADS\u003c\/strong\u003e \u003cbr\u003e Edelbrock E-Street cylinder heads offer American made quality and affordable performance. E-Street cylinder heads feature as-cast ports and are designed for entry-level street performance applications operating in the idle-to-5500 rpm range. They are available for popular V8 engines.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e E-STREET 440 CHRYSLER FEATURES:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eIdeal for entry-level street performance 1961-79 Chrysler 361-440 c.i.d. Wedge engines operating in the idle to 5,500 rpm\u003c\/li\u003e\n\u003cli\u003eThe 75cc combustion chamber allows this head to be used with stock pistons, retaining the 9.5:1 compression\u003c\/li\u003e\n\u003cli\u003eThe modern combustion chamber design also improves the combustion process and the larger than stock intake and exhaust ports move more air through your engine. 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E-Street cylinder heads feature as-cast ports and are designed for entry-level street performance applications operating in the idle-to-5500 rpm range. They are available for popular V8 engines.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e E-STREET 440 CHRYSLER FEATURES:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eIdeal for entry-level street performance 1961-79 Chrysler 361-440 c.i.d. Wedge engines operating in the idle to 5,500 rpm\u003c\/li\u003e\n\u003cli\u003eThe 75cc combustion chamber allows this head to be used with stock pistons, retaining the 9.5:1 compression\u003c\/li\u003e\n\u003cli\u003eThe modern combustion chamber design also improves the combustion process and the larger than stock intake and exhaust ports move more air through your engine. These features improve the engine's efficiency, resulting in more horsepower and torque\u003c\/li\u003e\n\u003cli\u003eThese cylinder heads are sold in pairs\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e Cylinder Head Specifications: \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e Combustion chamber volume: \u003c\/strong\u003e 75cc \/ 84cc\u003cbr\u003e \u003cstrong\u003eIntake runner volume: \u003c\/strong\u003e 210cc\u003cbr\u003e\u003cstrong\u003e Exhaust runner volume: \u003c\/strong\u003e 70cc\u003cbr\u003e\u003cstrong\u003e Intake valve diameter: \u003c\/strong\u003e 2.140\"\u003cbr\u003e\u003cstrong\u003eExhaust valve diameter: \u003c\/strong\u003e 1.81\"\u003cbr\u003e\u003cstrong\u003e Valve stem diameter:\u003c\/strong\u003e 11\/32\"\u003cbr\u003e\u003cstrong\u003eValve guides:\u003c\/strong\u003e Manganese bronze\u003cbr\u003e\u003cstrong\u003eDeck thickness:\u003c\/strong\u003e 5\/8\"\u003cbr\u003e\u003cstrong\u003eValve spring diameter:\u003c\/strong\u003e 1.55\"\u003cbr\u003e\u003cstrong\u003eValve spring maximum lift:\u003c\/strong\u003e .600\"\u003cbr\u003e \u003cstrong\u003eRocker stud:\u003c\/strong\u003e N\/A\u003cbr\u003e\u003cstrong\u003eGuide plate: \u003c\/strong\u003e N\/A\u003cbr\u003e\u003cstrong\u003e Pushrod diameter:\u003c\/strong\u003e 3\/8\"\u003cbr\u003e\u003cstrong\u003eValve angle:\u003c\/strong\u003e 15°\u003cbr\u003e \u003cstrong\u003eExhaust port location:\u003c\/strong\u003e Stock\u003cbr\u003e\u003cstrong\u003eSpark plug fitment: \u003c\/strong\u003e 14mm x 3\/4 reach, gasket seat\u003c\/p\u003e\n\u003c\/div\u003e","brand":"EDELBROCK","offers":[{"title":"Suit BB Chrysler 440 (84cc) With Flat Tappet \u0026 Hydraulic Roller Camsh","offer_id":42692308533419,"sku":"ED5093","price":6347.82,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0520\/9319\/0315\/products\/edelbrock-suit-bb-chrysler-440-84cc-with-flat-tappet-hydraulic-roller-camsh-edelbrock-e-street-cylinder-head-ed5093-srcopyright-1159753172.jpg?v=1749306978"},{"product_id":"ed60189","title":"Edelbrock Performer RPM Chrysler 440 Cylinder Heads - Single - Complete ED60189","description":"\u003cb\u003ePerformer RPM Chrysler 440 Cylinder Heads - Single - Complete\u003c\/b\u003e\u003cb\u003eBig Block Chrysler, 88cc chambers, great torque and horsepower up to 6500 rpm\u003c\/b\u003e\u003cbr\u003e\u003cb\u003eBrand: \u003c\/b\u003e\u003cspan\u003eEDELBROCK\u003c\/span\u003e\u003cbr\u003e\u003cb\u003ePart Number: \u003c\/b\u003e\u003cspan\u003eED60189\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eDescription: \u003c\/b\u003e\u003cdiv class=\"value description\"\u003e \u003cp\u003ePerformer RPM heads are perfect for street performance, daily drivers, street rods and muscle cars where seat-of-the-pants performance is needed. These heads give great torque and horsepower up to 6500 rpm. \u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDesigned for 1961-79 Chrysler 361-440 Wedge engines. \u003c\/li\u003e\n\u003cli\u003eFlow 291 cfm on the intake and 217 cfm on the exhaust at .600\" lift. \u003c\/li\u003e\n\u003cli\u003eAngled spark plugs for superior combustion. \u003c\/li\u003e\n\u003cli\u003e88cc chambers are machined .100\" for clearance with quench dome style pistons.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eCombustion chamber volume:\u003c\/strong\u003e 88cc \u003cbr\u003e \u003cstrong\u003eIntake runner volume: \u003c\/strong\u003e 210cc\u003cbr\u003e\u003cstrong\u003e Exhaust runner volume: \u003c\/strong\u003e 70cc\u003cbr\u003e\u003cstrong\u003e Intake valve diameter: \u003c\/strong\u003e 2.140\"\u003cbr\u003e\u003cstrong\u003e Exhaust valve diameter: \u003c\/strong\u003e 1.81\"\u003cbr\u003e\u003cstrong\u003e Valve stem diameter:\u003c\/strong\u003e 11\/32\"\u003cbr\u003e\u003cstrong\u003eValve guides:\u003c\/strong\u003e Manganese bronze \u003cbr\u003e\u003cstrong\u003eDeck thickness:\u003c\/strong\u003e 5\/8\"\u003cbr\u003e \u003cstrong\u003eValve spring diameter: \u003c\/strong\u003e1.55\"\u003cbr\u003e \u003cstrong\u003eValve spring maximum lift: \u003c\/strong\u003e.600\"\u003cbr\u003e \u003cstrong\u003eRocker stud:\u003c\/strong\u003e N\/A\u003cbr\u003e\u003cstrong\u003eGuide plate: \u003c\/strong\u003e N\/A\u003cbr\u003e\u003cstrong\u003e Pushrod diameter:\u003c\/strong\u003e 3\/8\"\u003cbr\u003e\u003cstrong\u003eValve Angle: \u003c\/strong\u003e 15°\u003cbr\u003e\u003cstrong\u003e Exhaust port location: \u003c\/strong\u003eStock\u003cbr\u003e\u003cstrong\u003e Spark plug fitment:\u003c\/strong\u003e 14mm x 3\/4\" reach, gasket seat \u003cbr\u003e\u003cstrong\u003eMade In: \u003c\/strong\u003e USA\u003c\/p\u003e\n\u003c\/div\u003e","brand":"EDELBROCK","offers":[{"title":"Big Block Chrysler, 88cc chambers, great torque and horsepower up to","offer_id":42692308598955,"sku":"ED60189","price":2807.79,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0520\/9319\/0315\/products\/edelbrock-big-block-chrysler-88cc-chambers-great-torque-and-horsepower-up-to-edelbrock-performer-rpm-chrysler-440-cylinder-heads-single-complete-ed60189-srcopyright-1159753160.jpg?v=1749306842"},{"product_id":"ed60459","title":"Edelbrock Performer RPM 454-O Cylinder Heads - Single - Complete ED60459","description":"\u003cb\u003ePerformer RPM 454-O Cylinder Heads - Single - Complete\u003c\/b\u003e\u003cb\u003eBB Chevy Oval Port, 110cc chambers, great torque and horsepower up to 6500 rpm\u003c\/b\u003e\u003cbr\u003e\u003cb\u003eBrand: \u003c\/b\u003e\u003cspan\u003eEDELBROCK\u003c\/span\u003e\u003cbr\u003e\u003cb\u003ePart Number: \u003c\/b\u003e\u003cspan\u003eED60459\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eDescription: \u003c\/b\u003e\u003cdiv class=\"value description\"\u003e \u003cp\u003ePerformer RPM heads are perfect for street performance, daily drivers, street rods and muscle cars where seat-of-the-pants performance is needed. These heads give great torque and horsepower up to 6500 rpm.\u003c\/p\u003e \u003cul\u003e\n\u003cli\u003eThese oval port heads will support over 540 hp with 9.5:1 compression when used as part of the Total Power Package. \u003c\/li\u003e\n\u003cli\u003eUnique oval intake port shape produces flow similar to rectangular ports, but the smaller port size provides excellent seat-of-the-pants performance and crisp throttle response. \u003c\/li\u003e\n\u003cli\u003e Semi-open chamber design maximises efficiency with streetable compression ratios. \u003c\/li\u003e\n\u003cli\u003e Smaller-than-stock 11\/32\" valve stems promote excellent flow and lighter valve weight.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e Combustion chamber volume: \u003c\/strong\u003e 110cc \u003cbr\u003e\u003cstrong\u003e Intake runner volume:\u003c\/strong\u003e 290cc\u003cbr\u003e\u003cstrong\u003eExhaust unner volume:\u003c\/strong\u003e 110cc \u003cbr\u003e\u003cstrong\u003eIntake valve diameter:\u003c\/strong\u003e 2.19\"\u003cbr\u003e \u003cstrong\u003eExhaust valve diameter:\u003c\/strong\u003e 1.88\"\u003cbr\u003e \u003cstrong\u003eValve stem diameter: \u003c\/strong\u003e 11\/32\"\u003cbr\u003e\u003cstrong\u003e Valve guides:\u003c\/strong\u003e Manganese bronze \u003cbr\u003e\u003cstrong\u003e Deck thickness:\u003c\/strong\u003e 9\/16\"\u003cbr\u003e\u003cstrong\u003eValve spring diameter: \u003c\/strong\u003e1.55\"\u003cbr\u003e \u003cstrong\u003eValve spring maximum lift: \u003c\/strong\u003e.700\"\u003cbr\u003e \u003cstrong\u003eRocker stud:\u003c\/strong\u003e 7\/16\" \u003cbr\u003e\u003cstrong\u003eGuide plate: \u003c\/strong\u003e Hardened Steel\u003cbr\u003e \u003cstrong\u003ePushrod diameter: \u003c\/strong\u003e 3\/8\"\u003cbr\u003e \u003cstrong\u003e Valve Angle:\u003c\/strong\u003e 26° \u003cbr\u003e\u003cstrong\u003eExhaust port location: \u003c\/strong\u003eStock \u003cbr\u003e \u003cstrong\u003eSpark plug fitment: \u003c\/strong\u003e 14mm x 3\/4\" reach, gasket seat \u003cbr\u003e \u003cstrong\u003eMade In:\u003c\/strong\u003e USA \u003c\/p\u003e\n\u003c\/div\u003e","brand":"EDELBROCK","offers":[{"title":"BB Chevy Oval Port, 110cc chambers, great torque and horsepower up to","offer_id":42692308697259,"sku":"ED60459","price":3923.06,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0520\/9319\/0315\/products\/edelbrock-bb-chevy-oval-port-110cc-chambers-great-torque-and-horsepower-up-to-edelbrock-performer-rpm-454-o-cylinder-heads-single-complete-ed60459-srcopyright-1159753158.jpg?v=1749306738"},{"product_id":"ed60229","title":"Edelbrock Performer RPM Cylinder Heads - Single - Complete ED60229","description":"\u003cb\u003ePerformer RPM Cylinder Heads - Single - Complete\u003c\/b\u003e\u003cb\u003eSmall Block Ford, 1.90\" Intake valve, great torque and horsepower up to 6500 rpm\u003c\/b\u003e\u003cbr\u003e\u003cb\u003eBrand: \u003c\/b\u003e\u003cspan\u003eEDELBROCK\u003c\/span\u003e\u003cbr\u003e\u003cb\u003ePart Number: \u003c\/b\u003e\u003cspan\u003eED60229\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eDescription: \u003c\/b\u003e\u003cdiv class=\"value description\"\u003e \u003cp\u003ePerformer RPM heads are perfect for street performance, daily drivers, street rods and muscle cars where seat-of-the-pants performance is needed. These heads give great torque and horsepower up to 6500 rpm.\u003c\/p\u003e \u003cul\u003e\n\u003cli\u003eDesigned for 289-302-351-Windsor Ford engines.\u003c\/li\u003e\n\u003cli\u003eMaximum performance in the 1500-6500 rpm range for high performance street. \u003c\/li\u003e\n\u003cli\u003e 1.90\" intake valves are for use with stock pistons and high-flow 2.02\" intake valves work with pistons notched for valve clearance. \u003c\/li\u003e\n\u003cli\u003e Hardened pushrods required. \u003c\/li\u003e\n\u003cli\u003eWill not accept rail rockers. \u003c\/li\u003e\n\u003cli\u003e289-302 V8s require Head Bolt Bushings # ED9680\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e Combustion chamber volume: \u003c\/strong\u003e 60cc \u003cbr\u003e\u003cstrong\u003e Intake runner volume:\u003c\/strong\u003e 170cc\u003cbr\u003e\u003cstrong\u003eExhaust runner volume:\u003c\/strong\u003e 60cc \u003cbr\u003e\u003cstrong\u003eIntake valve diameter:\u003c\/strong\u003e 1.90\"\u003cbr\u003e \u003cstrong\u003eExhaust valve diameter:\u003c\/strong\u003e 1.60\"\u003cbr\u003e \u003cstrong\u003eValve stem diameter: \u003c\/strong\u003e 11\/32\"\u003cbr\u003e\u003cstrong\u003e Valve guides:\u003c\/strong\u003e Manganese bronze \u003cbr\u003e\u003cstrong\u003e Deck thickness:\u003c\/strong\u003e 5\/8\" \u003cbr\u003e\u003cstrong\u003eValve spring diameter: \u003c\/strong\u003e1.46\"\u003cbr\u003e \u003cstrong\u003eValve spring maximum lift: \u003c\/strong\u003e.575\"\u003cbr\u003e \u003cstrong\u003eRocker stud:\u003c\/strong\u003e 3\/8\"\u003cbr\u003e\u003cstrong\u003eGuide plate: \u003c\/strong\u003e Hardened Steel\u003cbr\u003e \u003cstrong\u003ePushrod diameter: \u003c\/strong\u003e 5\/16\"\u003cbr\u003e\u003cstrong\u003e Valve Angle:\u003c\/strong\u003e 20° \u003cbr\u003e\u003cstrong\u003eExhaust port location: \u003c\/strong\u003eStock\u003cbr\u003e \u003cstrong\u003eSpark plug fitment: \u003c\/strong\u003e 14mm x 3\/4\" reach, gasket seat \u003cbr\u003e\u003cstrong\u003eMade In:\u003c\/strong\u003e USA\u003c\/p\u003e\n\u003c\/div\u003e","brand":"EDELBROCK","offers":[{"title":"Small Block Ford, 1.90\" Intake valve, great torque and horsepower up","offer_id":42692308730027,"sku":"ED60229","price":2506.44,"currency_code":"NZD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0520\/9319\/0315\/products\/edelbrock-small-block-ford-1-90-intake-valve-great-torque-and-horsepower-up-edelbrock-performer-rpm-cylinder-heads-single-complete-ed60229-srcopyright-1159753155.jpg?v=1749306728"},{"product_id":"ed60739","title":"Edelbrock Performer RPM Cylinder Heads - Single - Complete ED60739","description":"\u003cb\u003ePerformer RPM Cylinder Heads - Single - Complete\u003c\/b\u003e\u003cb\u003eSB Chevy, 70cc combustion chambers with straight plugs, 195cc Intake port\u003c\/b\u003e\u003cbr\u003e\u003cb\u003eBrand: \u003c\/b\u003e\u003cspan\u003eEDELBROCK\u003c\/span\u003e\u003cbr\u003e\u003cb\u003ePart Number: \u003c\/b\u003e\u003cspan\u003eED60739\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eDescription: \u003c\/b\u003e\u003cdiv class=\"value description\"\u003e \u003cp\u003ePerformer RPM heads are perfect for street performance, daily drivers, street rods and muscle cars where seat-of-the-pants performance is needed. These heads give great torque and horsepower up to 6500 rpm. \u003cbr\u003eDesigned for 302, 327, 350 and 400 cid small-block Chevy engines up to 1986, these Performer RPM cylinder heads are available fully assembled and ready to bolt on or bare for use with your own valve train components. Features include high-quality stainless steel 2.02\" intake and 1.60\" exhaust valves, choice of 64cc or 70cc combustion chambers and high flow 185cc intake and 65cc exhaust ports. Intake and exhaust runners are hand blended in the bowl area and the intake entries and exhaust exits are cnc profiled for increased air-flow. These heads include adjustable rocker stud and guide plate set-up for use with adjustable rockers. The casting is manufactured of A356 aluminium and heat treated to T6 spec for superior quality. An extra-thick 5\/8\" deck and Heli-coil threaded inserts variety of exhaust offer improved durability. 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These heads give great torque and horsepower up to 6500 rpm. \u003cbr\u003eDesigned for 302, 327, 350 and 400 cid small-block Chevy engines up to 1986, these Performer RPM cylinder heads are available fully assembled and ready to bolt on or bare for use with your own valve train components. Features include high-quality stainless steel 2.02\" intake and 1.60\" exhaust valves, choice of 64cc or 70cc combustion chambers and high flow 185cc intake and 65cc exhaust ports. Intake and exhaust runners are hand blended in the bowl area and the intake entries and exhaust exits are cnc profiled for increased air-flow. These heads include adjustable rocker stud and guide plate set-up for use with adjustable rockers. The casting is manufactured of A356 aluminium and heat treated to T6 spec for superior quality. An extra-thick 5\/8\" deck and Heli-coil threaded inserts variety of exhaust offer improved durability. Performer RPM cylinder heads are available with straight or angled spark plug configuration to fit a applications. \u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eTo use stock stamped steel rockers on small-block Chevy heads, +.100\" longer than stock.\u003c\/li\u003e\n\u003cli\u003eSmall-block Chevy heads may not be used on engines with less than a 4.00\" bore except with camshafts with less than .450\" valve lift.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003cstrong\u003eCombustion chamber volume:\u003c\/strong\u003e 64cc\u003cbr\u003e \u003cstrong\u003eIntake runner volume: \u003c\/strong\u003e 185cc\u003cbr\u003e\u003cstrong\u003e Exhaust runner volume: \u003c\/strong\u003e 65cc\u003cbr\u003e\u003cstrong\u003e Intake valve diameter: \u003c\/strong\u003e 2.02\"\u003cbr\u003e\u003cstrong\u003e Exhaust valve diameter: \u003c\/strong\u003e 1.60\"\u003cbr\u003e\u003cstrong\u003e Valve stem diameter:\u003c\/strong\u003e 11\/32\"\u003cbr\u003e\u003cstrong\u003eValve guides:\u003c\/strong\u003e Manganese bronze \u003cbr\u003e\u003cstrong\u003eDeck thickness:\u003c\/strong\u003e 5\/8\"\u003cbr\u003e \u003cstrong\u003eValve spring diameter: \u003c\/strong\u003e1.46\"\u003cbr\u003e \u003cstrong\u003eValve spring maximum lift: \u003c\/strong\u003e.575\"\u003cbr\u003e \u003cstrong\u003eRocker stud:\u003c\/strong\u003e 3\/8\" \u003cbr\u003e\u003cstrong\u003eGuide plate: \u003c\/strong\u003e Hardened Steel\u003cbr\u003e \u003cstrong\u003ePushrod diameter: \u003c\/strong\u003e \u003c\/p\u003e\n\u003c\/div\u003e","brand":"EDELBROCK","offers":[{"title":"SB Chevy, 64cc combustion chambers with straight plugs, 185cc Intake","offer_id":42692308828331,"sku":"ED60899","price":3695.7,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0520\/9319\/0315\/products\/edelbrock-sb-chevy-64cc-combustion-chambers-with-straight-plugs-185cc-intake-edelbrock-performer-rpm-cylinder-heads-single-complete-ed60899-srcopyright-1159753139.jpg?v=1749306484"},{"product_id":"ed60929","title":"Edelbrock Performer RPM Chrysler 440 Cylinder Heads - Single - Complete ED60929","description":"\u003cb\u003ePerformer RPM Chrysler 440 Cylinder Heads - Single - Complete\u003c\/b\u003e\u003cb\u003eBig Block Chrysler, 84cc chambers, great torque and horsepower up to 6500 rpm\u003c\/b\u003e\u003cbr\u003e\u003cb\u003eBrand: \u003c\/b\u003e\u003cspan\u003eEDELBROCK\u003c\/span\u003e\u003cbr\u003e\u003cb\u003ePart Number: \u003c\/b\u003e\u003cspan\u003eED60929\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eDescription: \u003c\/b\u003e\u003cdiv class=\"value description\"\u003e \u003cp\u003ePerformer RPM heads are perfect for street performance, daily drivers, street rods and muscle cars where seat-of-the-pants performance is needed. These heads give great torque and horsepower up to 6500 rpm. \u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDesigned for 1961-79 Chrysler 361-440 Wedge engines. \u003c\/li\u003e\n\u003cli\u003eFlow 291 cfm on the intake and 217 cfm on the exhaust at .600\" lift. \u003c\/li\u003e\n\u003cli\u003eAngled spark plugs for superior combustion. \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003cstrong\u003eCombustion chamber volume:\u003c\/strong\u003e 84cc \u003cbr\u003e \u003cstrong\u003eIntake runner volume: \u003c\/strong\u003e 210cc\u003cbr\u003e\u003cstrong\u003e Exhaust runner volume: \u003c\/strong\u003e 70cc\u003cbr\u003e\u003cstrong\u003e Intake valve diameter: \u003c\/strong\u003e 2.140\"\u003cbr\u003e\u003cstrong\u003e Exhaust valve diameter: \u003c\/strong\u003e 1.81\"\u003cbr\u003e\u003cstrong\u003e Valve stem diameter:\u003c\/strong\u003e 11\/32\"\u003cbr\u003e\u003cstrong\u003eValve guides:\u003c\/strong\u003e Manganese bronze \u003cbr\u003e\u003cstrong\u003eDeck thickness:\u003c\/strong\u003e 5\/8\"\u003cbr\u003e \u003cstrong\u003eValve spring iameter: \u003c\/strong\u003e1.55\"\u003cbr\u003e \u003cstrong\u003eValve spring maximum lift: \u003c\/strong\u003e.600\"\u003cbr\u003e \u003cstrong\u003eRocker stud:\u003c\/strong\u003e N\/A\u003cbr\u003e\u003cstrong\u003eGuide plate: \u003c\/strong\u003e N\/A\u003cbr\u003e\u003cstrong\u003e Pushrod diameter:\u003c\/strong\u003e 3\/8\"\u003cbr\u003e\u003cstrong\u003eValve Angle: \u003c\/strong\u003e 15°\u003cbr\u003e\u003cstrong\u003e Exhaust port location: \u003c\/strong\u003eStock\u003cbr\u003e\u003cstrong\u003e Spark plug fitment:\u003c\/strong\u003e 14mm x 3\/4\" reach, gasket seat \u003cbr\u003e\u003cstrong\u003eMade In: \u003c\/strong\u003e USA\u003c\/p\u003e\n\u003c\/div\u003e","brand":"EDELBROCK","offers":[{"title":"Big Block Chrysler, 84cc chambers, great torque and horsepower up to","offer_id":42692308893867,"sku":"ED60929","price":2999.99,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0520\/9319\/0315\/products\/edelbrock-big-block-chrysler-84cc-chambers-great-torque-and-horsepower-up-to-edelbrock-performer-rpm-chrysler-440-cylinder-heads-single-complete-ed60929-srcopyright-1159753134.jpg?v=1749306369"},{"product_id":"ed60779","title":"Edelbrock Performer RPM Cylinder Heads - Single - Complete ED60779","description":"\u003cb\u003ePerformer RPM Cylinder Heads - Single - Complete\u003c\/b\u003e\u003cb\u003eSmall Block Chrysler 318-340-360, great torque and horsepower up to 6500 rpm\u003c\/b\u003e\u003cbr\u003e\u003cb\u003eBrand: \u003c\/b\u003e\u003cspan\u003eEDELBROCK\u003c\/span\u003e\u003cbr\u003e\u003cb\u003ePart Number: \u003c\/b\u003e\u003cspan\u003eED60779\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eDescription: \u003c\/b\u003e\u003cdiv class=\"value description\"\u003e \u003cp\u003ePerformer RPM heads are perfect for street performance, daily drivers, street rods and muscle cars where seat-of-the-pants performance is needed. These heads give great torque and horsepower up to 6500 rpm. \u003c\/p\u003e\n\u003cul\u003e\u003cli\u003ePerformer RPM Chrysler heads deliver outstanding performance in non-emission 1967-91 Chrysler 318-340-360 engines.\u003c\/li\u003e\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eCombustion chamber volume:\u003c\/strong\u003e 63cc \u003cbr\u003e \u003cstrong\u003eIntake runner volume: \u003c\/strong\u003e 171cc\u003cbr\u003e \u003cstrong\u003e Exhaust runner volume: \u003c\/strong\u003e 77cc\u003cbr\u003e \u003cstrong\u003e Intake valve diameter: \u003c\/strong\u003e 2.02\"\u003cbr\u003e \u003cstrong\u003e Exhaust valve diameter: \u003c\/strong\u003e 1.60\"\u003cbr\u003e \u003cstrong\u003e Valve stem diameter: \u003c\/strong\u003e 11\/32\"\u003cbr\u003e\u003cstrong\u003e Valve guides:\u003c\/strong\u003e Manganese bronze \u003cbr\u003e\u003cstrong\u003e Deck thickness:\u003c\/strong\u003e 5\/8\" \u003cbr\u003e \u003cstrong\u003eValve spring diameter: \u003c\/strong\u003e1.46\"\u003cbr\u003e \u003cstrong\u003eValve spring maximum lift: \u003c\/strong\u003e.575\"\u003cbr\u003e rong\u0026gt;Rocker stud: N\/A\u003cbr\u003e\u003cstrong\u003eGuide plate: \u003c\/strong\u003e N\/A\u003cbr\u003e\u003cstrong\u003e Pushrod diameter:\u003c\/strong\u003e 5\/16\"\u003cbr\u003e\u003cstrong\u003eValve Angle: \u003c\/strong\u003e 18°\u003cbr\u003e\u003cstrong\u003e Exhaust port location: \u003c\/strong\u003eStock\u003cbr\u003e\u003cstrong\u003e Spark plug fitment:\u003c\/strong\u003e 14mm x 3\/4\" reach, gasket seat \u003cbr\u003e\u003cstrong\u003eMade In: \u003c\/strong\u003e USA\u003c\/p\u003e\n\u003c\/div\u003e","brand":"EDELBROCK","offers":[{"title":"Small Block Chrysler 318-340-360, great torque and horsepower up to 6","offer_id":42692308926635,"sku":"ED60779","price":3171.16,"currency_code":"NZD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0520\/9319\/0315\/products\/edelbrock-small-block-chrysler-318-340-360-great-torque-and-horsepower-up-to-6-edelbrock-performer-rpm-cylinder-heads-single-complete-ed60779-srcopyright-1159753124.jpg?v=1749306239"},{"product_id":"ed60999","title":"Edelbrock Performer RPM Cylinder Heads - Single - Complete ED60999","description":"\u003cb\u003ePerformer RPM Cylinder Heads - Single - Complete\u003c\/b\u003e\u003cb\u003eSB Chevy, 64cc combustion chambers with angled plugs, 185cc Intake port\u003c\/b\u003e\u003cbr\u003e\u003cb\u003eBrand: \u003c\/b\u003e\u003cspan\u003eEDELBROCK\u003c\/span\u003e\u003cbr\u003e\u003cb\u003ePart Number: \u003c\/b\u003e\u003cspan\u003eED60999\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eDescription: \u003c\/b\u003e\u003cdiv class=\"value description\"\u003e \u003cp\u003ePerformer RPM heads are perfect for street performance, daily drivers, street rods and muscle cars where seat-of-the-pants performance is needed. These heads give great torque and horsepower up to 6500 rpm. \u003cbr\u003eDesigned for 302, 327, 350 and 400 cid small-block Chevy engines up to 1986, these Performer RPM cylinder heads are available fully assembled and ready to bolt on or bare for use with your own valve train components. Features include high-quality stainless steel 2.02\" intake and 1.60\" exhaust valves, choice of 64cc or 70cc combustion chambers and high flow 185cc intake and 65cc exhaust ports. Intake and exhaust runners are hand blended in the bowl area and the intake entries and exhaust exits are cnc profiled for increased air-flow. These heads include adjustable rocker stud and guide plate set-up for use with adjustable rockers. The casting is manufactured A356 aluminium and heat treated to T6 spec for superior quality. An extra-thick 5\/8\" deck and Heli-coil threaded inserts or angled spark plug offer improved durability. Performer RPM cylinder heads are available with straight configuration to fit a variety of exhaust applications. \u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eTo use stock stamped steel rockers on small-block Chevy heads, +.100\" longer than stock.\u003c\/li\u003e\n\u003cli\u003eSmall-block Chevy heads may not be used on engines with less than a 4.00\" bore except with camshafts with less than .450\" valve lift.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003cstrong\u003eCombustion chamber volume:\u003c\/strong\u003e 64cc\u003cbr\u003e \u003cstrong\u003eIntake runner volume: \u003c\/strong\u003e 185cc\u003cbr\u003e\u003cstrong\u003e Exhaust runner volume: \u003c\/strong\u003e 65cc\u003cbr\u003e\u003cstrong\u003e Intake valve diameter: \u003c\/strong\u003e 2.02\"\u003cbr\u003e\u003cstrong\u003e Exhaust valve diameter: \u003c\/strong\u003e 1.60\"\u003cbr\u003e\u003cstrong\u003e Valve stem diameter:\u003c\/strong\u003e 11\/32\"\u003cbr\u003e\u003cstrong\u003eValve guides:\u003c\/strong\u003e Manganese bronze \u003cbr\u003e\u003cstrong\u003eDeck thickness:\u003c\/strong\u003e 5\/8\"\u003cbr\u003e \u003cstrong\u003eValve spring diameter: \u003c\/strong\u003e1.46\"\u003cbr\u003e \u003cstrong\u003eValve spring maximum lift: \u003c\/strong\u003e.575\"\u003cbr\u003e \u003cstrong\u003eRocker stud:\u003c\/strong\u003e 3\/8\" \u003cbr\u003e\u003cstrong\u003eGuide plate: \u003c\/strong\u003e Hardened Steel\u003cbr\u003e \u003cstrong\u003ePushrod diameter: \u003c\/strong\u003e 5 \u003c\/p\u003e\n\u003c\/div\u003e","brand":"EDELBROCK","offers":[{"title":"SB Chevy, 64cc combustion chambers with angled plugs, 185cc Intake po","offer_id":42692308959403,"sku":"ED60999","price":3128.44,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0520\/9319\/0315\/products\/edelbrock-sb-chevy-64cc-combustion-chambers-with-angled-plugs-185cc-intake-po-edelbrock-performer-rpm-cylinder-heads-single-complete-ed60999-srcopyright-1159753130.jpg?v=1749306258"},{"product_id":"ed61385","title":"Edelbrock Performer RPM Aluminium Cylinder Head - Holden V8 ED61385","description":"\u003cb\u003ePerformer RPM Aluminium Cylinder Head - Holden V8\u003c\/b\u003e\u003cb\u003eVN EFI style with Injector notch, 195cc intake port, suit Hyd roller cam. Single Complete\u003c\/b\u003e\u003cbr\u003e\u003cb\u003eBrand: \u003c\/b\u003e\u003cspan\u003eEDELBROCK\u003c\/span\u003e\u003cbr\u003e\u003cb\u003ePart Number: \u003c\/b\u003e\u003cspan\u003eED61385\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eDescription: \u003c\/b\u003e\u003cdiv class=\"value description\"\u003e \u003cp\u003ePerformer RPM heads are perfect for street performance, daily drivers, street rods and muscle cars where seat-of-the-pants performance is needed. These heads deliver great throttle response and power from 1500 to 6500 rpm. These heads feature the highest quality intake and exhaust valves and valve springs.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eInjector Notches\u003c\/li\u003e\n\u003cli\u003e2.02\" Intake valves\u003c\/li\u003e\n\u003cli\u003e1.600\" Exhaust valves\u003c\/li\u003e\n\u003cli\u003e62cc Heart shaped combustion chambers\u003c\/li\u003e\n\u003cli\u003e195cc Intake port volume\u003c\/li\u003e\n\u003cli\u003e68cc Exhaust port volume\u003c\/li\u003e\n\u003cli\u003e1.280\" Beehive Valve springs suit Hyd Roller Cam\u003c\/li\u003e\n\u003cli\u003eValve spring specs- \u003ca href=\"\/cdn-cgi\/l\/email-protection\" class=\"__cf_email__\" data-cfemail=\"704143481c120330415e48\"\u003e[email protected]\u003c\/a\u003e\" - \u003ca href=\"\/cdn-cgi\/l\/email-protection\" class=\"__cf_email__\" data-cfemail=\"f0c3c2c69c9283b0dec6c0c0\"\u003e[email protected]\u003c\/a\u003e\" .660\" coil bind\u003c\/li\u003e\n\u003cli\u003e7\/16\" screw in studs with guide plates\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"EDELBROCK","offers":[{"title":"VN EFI style with Injector notch, 195cc intake port, suit Hyd roller","offer_id":42692308992171,"sku":"ED61385","price":4230.3,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0520\/9319\/0315\/products\/edelbrock-vn-efi-style-with-injector-notch-195cc-intake-port-suit-hyd-roller-edelbrock-performer-rpm-aluminium-cylinder-head-holden-v8-ed61385-srcopyright-1159753118.jpg?v=1749306124"},{"product_id":"ed61779","title":"Edelbrock Performer RPM Cylinder Heads - Single - Complete ED61779","description":"\u003cb\u003ePerformer RPM Cylinder Heads - Single - Complete\u003c\/b\u003e\u003cb\u003eChrysler Magnum 1992 \u0026amp; later 5.2L-1993 \u0026amp; later 5.9L, 58cc chambers, 176cc intake\u003c\/b\u003e\u003cbr\u003e\u003cb\u003eBrand: \u003c\/b\u003e\u003cspan\u003eEDELBROCK\u003c\/span\u003e\u003cbr\u003e\u003cb\u003ePart Number: \u003c\/b\u003e\u003cspan\u003eED61779\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eDescription: \u003c\/b\u003e\u003cdiv class=\"value description\"\u003e \u003cp\u003ePerformer RPM heads are perfect for street performance, daily drivers, street rods and muscle cars where seat-of-the-pants performance is needed. These heads give great torque and horsepower up to 6500 rpm.\u003c\/p\u003e \u003cul\u003e\n\u003cli\u003eDesigned for 1992 \u0026amp; later 5.2L (318 c.i.d.) and 1993 \u0026amp; later 5.9L (360 c.i.d.) Chrysler Magnum style V8s \u003c\/li\u003e\n\u003cli\u003eMatch with the Edelbrock RPM Air-Gap Magnum manifold # ED7577 for maximum horsepower and torque. \u003c\/li\u003e\n\u003cli\u003eExhaust flanges in stock location to allow use of stock exhaust if desired. \u003c\/li\u003e\n\u003cli\u003eAccepts widely available small-block Chevy adjustable rockers (1.6 ratio) and classic valve covers # ED4177 and # ED41773 \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e Combustion chamber volume: \u003c\/strong\u003e 58cc\u003cbr\u003e\u003cstrong\u003e Intake runner volume:\u003c\/strong\u003e 176cc\u003cbr\u003e\u003cstrong\u003eExhaust runner volume:\u003c\/strong\u003e 75cc \u003cbr\u003e\u003cstrong\u003eIntake valve diameter:\u003c\/strong\u003e 2.02\" \u003cbr\u003e \u003cstrong\u003eExhaust valve diameter:\u003c\/strong\u003e 1.60\" \u003cbr\u003e \u003cstrong\u003eValve stem diameter: \u003c\/strong\u003e 11\/32\" \u003cbr\u003e\u003cstrong\u003e Valve guides:\u003c\/strong\u003e Manganese bronze \u003cbr\u003e\u003cstrong\u003e Deck thickness:\u003c\/strong\u003e 5\/8\" \u003cbr\u003e\u003cstrong\u003eValve spring diameter: \u003c\/strong\u003e1.46\" \u003cbr\u003e \u003cstrong\u003eValve spring maximum lift: \u003c\/strong\u003e.580\" \u003cbr\u003e \u003cstrong\u003eRocker stud:\u003c\/strong\u003e 3\/8\" \u003cbr\u003e\u003cstrong\u003eGuide plate: \u003c\/strong\u003e Hardened Steel \u003cbr\u003e \u003cstrong\u003ePushrod diameter: \u003c\/strong\u003e 5\/16\"\u003cbr\u003e\u003cstrong\u003e Valve angle:\u003c\/strong\u003e 18° \u003cbr\u003e\u003cstrong\u003eExhaust port location: \u003c\/strong\u003eStock\u003cbr\u003e \u003cstrong\u003eSpark plug fitment: \u003c\/strong\u003e 14mm x 3\/4\" reach, gasket seat \u003cbr\u003e\u003cstrong\u003eMade In:\u003c\/strong\u003e USA\u003c\/p\u003e\n\u003c\/div\u003e","brand":"EDELBROCK","offers":[{"title":"Chrysler Magnum 1992 \u0026 later 5.2L-1993 \u0026 later 5.9L, 58cc chambers, 1","offer_id":42692309090475,"sku":"ED61779","price":3636.2,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0520\/9319\/0315\/products\/edelbrock-chrysler-magnum-1992-later-5-2l-1993-later-5-9l-58cc-chambers-1-edelbrock-performer-rpm-cylinder-heads-single-complete-ed61779-srcopyright-1159753112.jpg?v=1749306008"},{"product_id":"ed61389","title":"Edelbrock Performer RPM Aluminium Cylinder Head - Holden V8 ED61389","description":"\u003cb\u003ePerformer RPM Aluminium Cylinder Head - Holden V8\u003c\/b\u003e\u003cb\u003eVN style with carburettor, 195cc intake port, suit Flat tappet cam. Single complete\u003c\/b\u003e\u003cbr\u003e\u003cb\u003eBrand: \u003c\/b\u003e\u003cspan\u003eEDELBROCK\u003c\/span\u003e\u003cbr\u003e\u003cb\u003ePart Number: \u003c\/b\u003e\u003cspan\u003eED61389\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eDescription: \u003c\/b\u003e\u003cdiv class=\"value description\"\u003e \u003cp\u003ePerformer RPM heads are perfect for street performance, daily drivers, street rods and muscle cars where seat-of-the-pants performance is needed. These heads deliver great throttle response and power from 1500 to 6500 rpm. These heads feature the highest quality intake and exhaust valves and valve springs.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eNo Injector Notches\u003c\/li\u003e\n\u003cli\u003e2.02\"Intake valves\u003c\/li\u003e\n\u003cli\u003e1.600\" Exhaust valves\u003c\/li\u003e\n\u003cli\u003e62cc Heart shaped combustion chambers\u003c\/li\u003e\n\u003cli\u003e195cc Intake port volume\u003c\/li\u003e\n\u003cli\u003e68cc Exhaust port volume\u003c\/li\u003e\n\u003cli\u003e1.450\" Valve springs suit Hyd Flat Tappet Cam\u003c\/li\u003e\n\u003cli\u003eValve spring specs- \u003ca href=\"\/cdn-cgi\/l\/email-protection\" class=\"__cf_email__\" data-cfemail=\"ebdad9db878998abdac5d3\"\u003e[email protected]\u003c\/a\u003e\" - \u003ca href=\"\/cdn-cgi\/l\/email-protection\" class=\"__cf_email__\" data-cfemail=\"a99a9b99c5cbdae9879c9199\"\u003e[email protected]\u003c\/a\u003e\" .660\" coil bind\u003c\/li\u003e\n\u003cli\u003e7\/16\" screw in studs with guide plates\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"EDELBROCK","offers":[{"title":"VN style with carburettor, 195cc intake port, suit Flat tappet cam. S","offer_id":42692309287083,"sku":"ED61389","price":3468.43,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0520\/9319\/0315\/products\/edelbrock-vn-style-with-carburettor-195cc-intake-port-suit-flat-tappet-cam-s-edelbrock-performer-rpm-aluminium-cylinder-head-holden-v8-ed61389-srcopyright-1159753104.jpg?v=1749305883"},{"product_id":"ed77199","title":"Edelbrock Victor Jr. 20° Cylinder Heads - Single - Complete ED77199","description":"\u003cb\u003eVictor Jr. 20° Cylinder Heads - Single - Complete\u003c\/b\u003e\u003cb\u003eSmall Block Ford 289-351W, 60cc chambers, 210cc intake port, mech roller springs\u003c\/b\u003e\u003cbr\u003e\u003cb\u003eBrand: \u003c\/b\u003e\u003cspan\u003eEDELBROCK\u003c\/span\u003e\u003cbr\u003e\u003cb\u003ePart Number: \u003c\/b\u003e\u003cspan\u003eED77199\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eDescription: \u003c\/b\u003e\u003cdiv class=\"value description\"\u003e \u003cp\u003eEdelbrock engineers work with leading racers like Billy Glidden, John Urist \u0026amp; Pat Musi to produce the ultimate components for racing. The end results are competition Victor Series Heads feature race winning technology, Right Out of the Box. Victor Jr. heads are compatible with OE valve train and pistons for bolt-on convenience.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eWith springs for mechanical roller cams.\u003c\/li\u003e\n\u003cli\u003e500+ horsepower potential out-of-the-box using stock valve train geometry \u003c\/li\u003e\n\u003cli\u003e High-flowing 210cc intake ports and .130\" raised 75cc exhaust ports \u003c\/li\u003e\n\u003cli\u003e Available with 60cc or 70cc combustion chambers \u003c\/li\u003e\n\u003cli\u003e 70cc combustion chambers are ideal for turbocharged and supercharged applications \u003c\/li\u003e\n\u003cli\u003eCNC gasket-matched port entries\/exits with blended valve bowls \u003c\/li\u003e\n\u003cli\u003e Spark plug holes and valves are in the stock location \u003c\/li\u003e\n\u003cli\u003eValve cover rail raised .150\" \u003c\/li\u003e\n\u003cli\u003eA relief in the head allows most roller lifters to be changed without removing heads\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e Combustion chamber volume: \u003c\/strong\u003e\u003c\/p\u003e 60cc\u003cbr\u003e \u003cstrong\u003e Intake runner volume:\u003c\/strong\u003e 210cc\u003cbr\u003e \u003cstrong\u003eExhaust runner volume:\u003c\/strong\u003e 75cc \u003cbr\u003e \u003cstrong\u003eIntake valve diameter:\u003c\/strong\u003e 2.05\"\u003cbr\u003e \u003cstrong\u003eExhaust valve diameter:\u003c\/strong\u003e 1.60\"\u003cbr\u003e \u003cstrong\u003eValve stem diameter: \u003c\/strong\u003e 11\/32\"\u003cbr\u003e\u003cstrong\u003e Valve guides:\u003c\/strong\u003e Manganese bronze\u003cbr\u003e\u003cstrong\u003e Deck thickness:\u003c\/strong\u003e 5\/8\" \u003cbr\u003e\u003cstrong\u003eValve spring diameter: \u003c\/strong\u003e1.55\" \u003cbr\u003e \u003cstrong\u003eValve spring maximum lift: \u003c\/strong\u003e.670\" \u003cbr\u003e \u003cstrong\u003eRocker stud:\u003c\/strong\u003e 7\/16\" \u003cbr\u003e\u003cstrong\u003eGuide plate: \u003c\/strong\u003e Hardened steel \u003cbr\u003e \u003cstrong\u003ePushrod diameter: \u003c\/strong\u003e 5\/16\"\u003cbr\u003e \u003cstrong\u003e Valve angle:\u003c\/strong\u003e 20° \u003cbr\u003e\u003cstrong\u003eExhaust port location:\u003c\/strong\u003e Raised .130\"\u003cbr\u003e\u003cstrong\u003eSpark plug fitment:\u003c\/strong\u003e 14mm x 3\/4\" reach, gasket seat \u003cbr\u003e \u003cstrong\u003eMade In:\u003c\/strong\u003e USA\u003c\/div\u003e","brand":"EDELBROCK","offers":[{"title":"Small Block Ford 289-351W, 60cc chambers, 210cc intake port, mech rol","offer_id":42692309418155,"sku":"ED77199","price":3432.57,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0520\/9319\/0315\/products\/edelbrock-small-block-ford-289-351w-60cc-chambers-210cc-intake-port-mech-rol-edelbrock-victor-jr-20-cylinder-heads-single-complete-ed77199-srcopyright-1159753095.jpg?v=1749305659"},{"product_id":"af95-0318","title":"Aeroflow Bare Small Block Chrysler 318-360 179cc Aluminium Cylinder Heads with 63cc Chamb","description":"\u003cb\u003eBare Small Block Chrysler 318-360 179cc Aluminium Cylinder Heads with 63cc Chamber (Pair)\u003c\/b\u003e\u003cbr\u003e\u003cb\u003e2.28\" x 1.16\" Intake Port, 1.75\" x 1.25\" Exhaust Port\u003c\/b\u003e\u003cbr\u003e\u003cb\u003eBrand: \u003c\/b\u003e\u003cspan\u003eAEROFLOW\u003c\/span\u003e\u003cbr\u003e\u003cb\u003ePart Number: \u003c\/b\u003e\u003cspan\u003eAF95-0318\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eDescription: \u003c\/b\u003e\u003cdiv class=\"value description\"\u003e \u003cp\u003eThe Aeroflow Series of Aluminium Cylinder Heads are taking affordable performance street and strip cylinder heads to the next level. Theseheads utilise ultra-smooth A356-T6 aluminium castings, new as-cast runner and chamberdesigns produce excellent flownumbers. This combined with a 5-angle competition valve job,diamond-honed bronze guides, hand bowl blending and professional assembly help to outperform some of the best brands in the business.\u003c\/p\u003e\n\u003cp\u003eThe Aeroflow Performance small block Chrysler cylinder heads are designed for street performance engines to give the ultimate in flow at a budget price. Made from A356 aluminium castings, the 179cc cylinder heads are ideal for operating in the idle to 6500 rpm range.\u003c\/p\u003e \u003cbr\u003e\u003cb\u003eAdditional Specifications: \u003c\/b\u003e\u003cdiv class=\"content-body\"\u003e \u003cstrong\u003eHead Specifications\u003c\/strong\u003e \u003cbr\u003e\u003cbr\u003eMaterial:  A356 Aluminium \u003cbr\u003eChamber Chamber:  63cc\u003cbr\u003eIntake Port Volume:  179cc \u003cbr\u003eIntake Port Dimension:  2.28\" x 1.16\"\u003cbr\u003eExhaust Port Volume:  79cc \u003cbr\u003eExhaust Port Dimension:  1.75\" H x 1.257\" W\u003cbr\u003eSpark Plug Location:  Angled \u003cbr\u003eIntake Valve Diameter:  2.02\"\u003cbr\u003eExhaust Valve Diameter:  1.60\"\u003cbr\u003eValve Stem Diameter:  11\/32\"\u003cbr\u003eValve Spring Pocket I.D.:  1.50\"\u003cbr\u003eValve Guide Material:  Manganese Bronze \u003cbr\u003eValve Guide O.D.:  .530\" (.560\" at base)\u003cbr\u003eRocker Stud Thread Size: OE stock \u003cbr\u003eValve Angle:  18°\u003cbr\u003eDeck Thickness:  .625\" \u003cbr\u003e\u003cb\u003eImportant Information: \u003c\/b\u003e\u003cdiv class=\"content-body\"\u003e \u003cp\u003e\u003cstrong\u003eIMPORTANT NOTICE:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWe recommend to check installed spring seat pressure \u0026amp; open pressure before installing your cylinder headsto make sure the spring pressure is correct for your application.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Aeroflow Performance","offers":[{"title":"2.28\" x 1.16\" Intake Port, 1.75\" x 1.25\" Exhaust Port","offer_id":43503408840875,"sku":"AF95-0318","price":2307.47,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0520\/9319\/0315\/files\/aeroflow-performance-2-28-x-1-16-intake-port-1-75-x-1-25-exhaust-port-aeroflow-bare-small-block-chrysler-318-360-179cc-aluminium-cylinder-heads-with-63cc-chamb-srcopyright-1159732034.jpg?v=1748885058"},{"product_id":"af95-0302","title":"Aeroflow Bare Small Block Ford Windsor 289-351 175cc Aluminium Cylinder Heads with 61cc C","description":"\u003cb\u003eBare Small Block Ford Windsor 289-351 175cc Aluminium Cylinder Heads with 61cc Chamber (Pair)\u003c\/b\u003e\u003cbr\u003e\u003cb\u003e2.00\" x 1.18\" Intake Port, 1.32\" x 1.27\" Exhaust Port\u003c\/b\u003e\u003cbr\u003e\u003cb\u003eBrand: \u003c\/b\u003e\u003cspan\u003eAEROFLOW\u003c\/span\u003e\u003cbr\u003e\u003cb\u003ePart Number: \u003c\/b\u003e\u003cspan\u003eAF95-0302\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eDescription: \u003c\/b\u003e\u003cdiv class=\"value description\"\u003e \u003cp\u003eThe Aeroflow Series of Aluminium Cylinder Heads are taking affordable performance street and strip cylinder heads to the next level. Theseheads utilise ultra-smooth A356-T6 aluminium castings, new as-cast runner and chamberdesigns produce excellent flownumbers. This combined with a 5-angle competition valve job,diamond-honed bronze guides, hand bowl blending and professional assembly help to outperform some of the best brands in the business.\u003c\/p\u003e\n\u003cp\u003eThe Aeroflow Performance small block Ford Windsor cylinder heads are designed for street performance engines to give the ultimate in flow at a mbudget price. Made from A356 aluminium castings, the 175cc cylinder heads are ideal for operating in the idle to 6500 rpm range.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003eThese heads are drilled for 1\/2\" head bolts. If using a 7\/16\" bolt, you must use a head boltbushing kit or step down head bolts.\u003c\/p\u003e \u003cbr\u003e\u003cb\u003eAdditional Specifications: \u003c\/b\u003e\u003cdiv class=\"content-body\"\u003e \u003cstrong\u003eHead Specifications\u003c\/strong\u003e \u003cbr\u003e\u003cbr\u003eMaterial:  A356 Aluminium \u003cbr\u003eChamber Chamber:  61cc\u003cbr\u003eIntake Port Volume:  175cc \u003cbr\u003eIntake Port Dimension:  2.00\" x 1.18\"\u003cbr\u003eExhaust Port Volume:  66cc \u003cbr\u003eExhaust Port Dimension:  1.32\" H x 1.27\" W\u003cbr\u003eSpark Plug Location:  Angled \u003cbr\u003eIntake Valve Diameter:  2.02\"\u003cbr\u003eExhaust Valve Diameter:  1.60\"\u003cbr\u003eValve Stem Diameter:  11\/32\"\u003cbr\u003eValve Spring Pocket I.D.:  1.49\"\u003cbr\u003eValve Guide Material:  Manganese Bronze \u003cbr\u003eValve Guide O.D.:  .530\" (.570\" at base)\u003cbr\u003eRocker Stud Thread Size:  7\/16\" x 14\u003cbr\u003eValve Angle:  20°\u003cbr\u003eDeck Thickness:  .625\" \u003cbr\u003e\u003cb\u003eImportant Information: \u003c\/b\u003e\u003cdiv class=\"content-body\"\u003e \u003cp\u003e\u003cstrong\u003eIMPORTANT NOTICE:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWe recommend to check installed spring seat pressure \u0026amp; open pressure before installing your cylinder headsto make sure the spring pressure is correct for your application.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Aeroflow Performance","offers":[{"title":"2.00\" x 1.18\" Intake Port, 1.32\" x 1.27\" Exhaust Port","offer_id":43503409004715,"sku":"AF95-0302","price":1565.27,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0520\/9319\/0315\/files\/aeroflow-performance-2-00-x-1-18-intake-port-1-32-x-1-27-exhaust-port-aeroflow-bare-small-block-ford-windsor-289-351-175cc-aluminium-cylinder-heads-with-61cc-c-srcopyright-1159732033.jpg?v=1748885055"},{"product_id":"af95-0347","title":"Aeroflow Bare Small Block Ford Windsor 289-351 185cc Aluminium Cylinder Heads with 63cc C","description":"\u003cb\u003eBare Small Block Ford Windsor 289-351 185cc Aluminium Cylinder Heads with 63cc Chamber (Pair)\u003c\/b\u003e\u003cbr\u003e\u003cb\u003e2.10\" x 1.25\" Intake Port, 1.35\" x 1.35\" Exhaust Port\u003c\/b\u003e\u003cbr\u003e\u003cb\u003eBrand: \u003c\/b\u003e\u003cspan\u003eAEROFLOW\u003c\/span\u003e\u003cbr\u003e\u003cb\u003ePart Number: \u003c\/b\u003e\u003cspan\u003eAF95-0347\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eDescription: \u003c\/b\u003e\u003cdiv class=\"value description\"\u003e \u003cp\u003eThe Aeroflow Series of Aluminium Cylinder Heads are taking affordable performance street and strip cylinder heads to the next level. Theseheads utilise ultra-smooth A356-T6 aluminium castings, new as-cast runner and chamberdesigns produce excellent flownumbers. This combined with a 5-angle competition valve job,diamond-honed bronze guides, hand bowl blending and professional assembly help to outperform some of the best brands in the business.\u003c\/p\u003e\n\u003cp\u003eThe Aeroflow Performance small block Ford Windsor cylinder heads are designed for street \/ race performance engines to give the ultimate in flow at a budget price. Made from A356 aluminium castings the 185cc cylinder heads are ideal for operating in the idle to 6500 rpm range.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003eThese heads are drilled for 1\/2\" head bolts. If using a 7\/16\" bolt, you must use a head boltbushing kit or step down head bolts.\u003c\/p\u003e \u003cbr\u003e\u003cb\u003eAdditional Specifications: \u003c\/b\u003e\u003cdiv class=\"content-body\"\u003e \u003cstrong\u003eHead Specifications\u003c\/strong\u003e \u003cbr\u003e\u003cbr\u003eMaterial:  A356 Aluminium \u003cbr\u003eChamber Chamber:  58cc\u003cbr\u003eIntake Port Volume:  185cc \u003cbr\u003eIntake Port Dimension:  2.10\" x 1.25\"\u003cbr\u003eExhaust Port Volume:  63cc \u003cbr\u003eExhaust Port Dimension:  1.35\" H x 1.35\" W\u003cbr\u003eSpark Plug Location:  OEM \u003cbr\u003eIntake Valve Diameter:  2.02\"\u003cbr\u003eExhaust Valve Diameter:  1.60\"\u003cbr\u003eValve Stem Diameter:  8mm \u003cbr\u003eValve Spring Pocket I.D.:  1.55\" \u003cbr\u003eValve Guide Material:  Manganese Bronze \u003cbr\u003eValve Guide O.D.:  .500\" (.560\" at base)\u003cbr\u003eRocker Stud Thread Size:  7\/16\" x 14\u003cbr\u003eValve Angle:  20°\u003cbr\u003eDeck Thickness:  .750\" \u003cbr\u003e\u003cb\u003eImportant Information: \u003c\/b\u003e\u003cdiv class=\"content-body\"\u003e \u003cp\u003e\u003cstrong\u003eIMPORTANT NOTICE:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWe recommend to check installed spring seat pressure \u0026amp; open pressure before installing your cylinder headsto make sure the spring pressure is correct for your application.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Aeroflow Performance","offers":[{"title":"2.10\" x 1.25\" Intake Port, 1.35\" x 1.35\" Exhaust Port","offer_id":43503409037483,"sku":"AF95-0347","price":1637.84,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0520\/9319\/0315\/files\/aeroflow-performance-2-10-x-1-25-intake-port-1-35-x-1-35-exhaust-port-aeroflow-bare-small-block-ford-windsor-289-351-185cc-aluminium-cylinder-heads-with-63cc-c-srcopyright-1159732031.jpg?v=1748885048"},{"product_id":"af95-0348","title":"Aeroflow Bare Small Block Ford Windsor 289-351 185cc CNC Ported Aluminium Cylinder Heads","description":"\u003cb\u003eBare Small Block Ford Windsor 289-351 185cc CNC Ported Aluminium Cylinder Heads with 58cc Chamber (Pair)\u003c\/b\u003e\u003cbr\u003e\u003cb\u003e2.10\" x 1.25\" Intake Port, 1.35\" x 1.35\" Exhaust Port\u003c\/b\u003e\u003cbr\u003e\u003cb\u003eBrand: \u003c\/b\u003e\u003cspan\u003eAEROFLOW\u003c\/span\u003e\u003cbr\u003e\u003cb\u003ePart Number: \u003c\/b\u003e\u003cspan\u003eAF95-0348\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eDescription: \u003c\/b\u003e\u003cdiv class=\"value description\"\u003e \u003cp\u003eThe Aeroflow Series of Aluminium Cylinder Heads are taking affordable performance street and strip cylinder heads to the next level. Theseheads utilise ultra-smooth A356-T6 aluminium castings, new as-cast runner and chamberdesigns produce excellent flownumbers. This combined with a 5-angle competition valve job,diamond-honed bronze guides, hand bowl blending and professional assembly help to outperform some of the best brands in the business.\u003c\/p\u003e\n\u003cp\u003eThe Aeroflow Performance small block Ford Windsor cylinder heads are designed for street \/ race performance engines to give the ultimate in flow at a budget price. Made from A356 aluminium castings with fully CNC’d ports and combustion chambers. The 185cc cylinder heads are ideal for operating in the idle to 6500 rpm range.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNote: \u003c\/strong\u003eThese heads are drilled for 1\/2\" head bolts. If using a 7\/16\" bolt, you must use a head boltbushing kit or step down head bolts.\u003c\/p\u003e \u003cbr\u003e\u003cb\u003eAdditional Specifications: \u003c\/b\u003e\u003cdiv class=\"content-body\"\u003e \u003cstrong\u003eHead Specifications\u003c\/strong\u003e \u003cbr\u003e\u003cbr\u003eMaterial:  A356 Aluminium \u003cbr\u003eChamber Chamber:  58cc\u003cbr\u003eIntake Port Volume:  185cc \u003cbr\u003eIntake Port Dimension:  2.10\" x 1.25\"\u003cbr\u003eExhaust Port Volume:  63cc \u003cbr\u003eExhaust Port Dimension:  1.35\" H x 1.35\" W\u003cbr\u003eSpark Plug Location:  OEM \u003cbr\u003eIntake Valve Diameter:  2.02\"\u003cbr\u003eExhaust Valve Diameter:  1.60\"\u003cbr\u003eValve Stem Diameter:  8mm \u003cbr\u003eValve Spring Pocket I.D.:  1.55\" \u003cbr\u003eValve Guide Material:  Manganese Bronze \u003cbr\u003eValve Guide O.D.:  .500\" (.560\" at base)\u003cbr\u003eRocker Stud Thread Size:  7\/16\" x 14\u003cbr\u003eValve Angle:  20°\u003cbr\u003eDeck Thickness:  .750\" \u003cbr\u003e\u003cb\u003eImportant Information: \u003c\/b\u003e\u003cdiv class=\"content-body\"\u003e \u003cp\u003e\u003cstrong\u003eIMPORTANT NOTICE:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWe recommend to check installed spring seat pressure \u0026amp; open pressure before installing your cylinder headsto make sure the spring pressure is correct for your application.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Aeroflow Performance","offers":[{"title":"2.10\" x 1.25\" Intake Port, 1.35\" x 1.35\" Exhaust Port","offer_id":43503409103019,"sku":"AF95-0348","price":2625.65,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0520\/9319\/0315\/files\/aeroflow-performance-2-10-x-1-25-intake-port-1-35-x-1-35-exhaust-port-aeroflow-bare-small-block-ford-windsor-289-351-185cc-cnc-ported-aluminium-cylinder-heads-srcopyright-1159732030.jpg?v=1748885045"},{"product_id":"af95-0327","title":"Aeroflow Bare Small Block Chev 327-350-400 186cc Aluminium Cylinder Heads with 67cc Chamb","description":"\u003cb\u003eBare Small Block Chev 327-350-400 186cc Aluminium Cylinder Heads with 67cc Chamber (Pair)\u003c\/b\u003e\u003cbr\u003e\u003cb\u003e2.00\" x 1.20\" Intake Port, 1.42\" x 1.53\" Exhaust Port\u003c\/b\u003e\u003cbr\u003e\u003cb\u003eBrand: \u003c\/b\u003e\u003cspan\u003eAEROFLOW\u003c\/span\u003e\u003cbr\u003e\u003cb\u003ePart Number: \u003c\/b\u003e\u003cspan\u003eAF95-0327\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eDescription: \u003c\/b\u003e\u003cdiv class=\"value description\"\u003e \u003cp\u003eThe Aeroflow Series of Aluminium Cylinder Heads are taking affordable performance street and strip cylinder heads to the next level. Theseheads utilise ultra-smooth A356-T6 aluminium castings, new as-cast runner and chamberdesigns produce excellent flownumbers. This combined with a 5-angle competition valve job,diamond-honed bronze guides, hand bowl blending and professional assembly help to outperform some of the best brands in the business.\u003c\/p\u003e\n\u003cp\u003eThe Aeroflow Performance small block Chevy cylinder heads are designed for entry level street performance engines to give the ultimate in flow at a budget price. Made from A356 aluminium castings, the 186cc cylinder heads are ideal for operating in the idle to 6500 rpm range. These cylinder heads will fit a 4.00\" bore and larger.\u003c\/p\u003e \u003cbr\u003e\u003cb\u003eAdditional Specifications: \u003c\/b\u003e\u003cdiv class=\"content-body\"\u003e \u003cstrong\u003eHead Specifications\u003c\/strong\u003e \u003cbr\u003e\u003cbr\u003eMaterial:  A356 Aluminium \u003cbr\u003eChamber Chamber:  67cc\u003cbr\u003eIntake Port Volume:  186cc \u003cbr\u003eIntake Port Dimension:  2.00\" x 1.20\"\u003cbr\u003eExhaust Port Volume:  72cc \u003cbr\u003eExhaust Port Dimension:  1.42\" H x 1.53\" W\u003cbr\u003eSpark Plug Location:  Straight \u003cbr\u003eIntake Valve Diameter:  2.02\"\u003cbr\u003eExhaust Valve Diameter:  1.60\"\u003cbr\u003eValve Stem Diameter:  11\/32\"\u003cbr\u003eValve Spring Pocket I.D.:  1.49\"\u003cbr\u003eValve Guide Material:  Manganese Bronze \u003cbr\u003eValve Guide O.D.:  .530\" (.570\" at base)\u003cbr\u003eRocker Stud Thread Size:  7\/16\" x 14\u003cbr\u003eValve Angle:  23°\u003cbr\u003eDeck Thickness:  .625\" \u003cbr\u003e\u003cb\u003eImportant Information: \u003c\/b\u003e\u003cdiv class=\"content-body\"\u003e \u003cp\u003e\u003cstrong\u003eIMPORTANT NOTICE:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWe recommend to check installed spring seat pressure \u0026amp; open pressure before installing your cylinder headsto make sure the spring pressure is correct for your application.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Aeroflow Performance","offers":[{"title":"2.00\" x 1.20\" Intake Port, 1.42\" x 1.53\" Exhaust Port","offer_id":43503409168555,"sku":"AF95-0327","price":1508.64,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0520\/9319\/0315\/files\/aeroflow-performance-2-00-x-1-20-intake-port-1-42-x-1-53-exhaust-port-aeroflow-bare-small-block-chev-327-350-400-186cc-aluminium-cylinder-heads-with-67cc-chamb-srcopyright-1159732032.jpg?v=1748885051"},{"product_id":"af95-0400","title":"Aeroflow Bare Small Block Chev 327-350-400 212cc Aluminium Cylinder Heads with 66cc Chamb","description":"\u003cb\u003eBare Small Block Chev 327-350-400 212cc Aluminium Cylinder Heads with 66cc Chamber (Pair)\u003c\/b\u003e\u003cbr\u003e\u003cb\u003e2.21\" x 1.30\" Intake Port, 1.42\" x 1.53\" Exhaust Port\u003c\/b\u003e\u003cbr\u003e\u003cb\u003eBrand: \u003c\/b\u003e\u003cspan\u003eAEROFLOW\u003c\/span\u003e\u003cbr\u003e\u003cb\u003ePart Number: \u003c\/b\u003e\u003cspan\u003eAF95-0400\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eDescription: \u003c\/b\u003e\u003cdiv class=\"value description\"\u003e \u003cp\u003eThe Aeroflow Series of Aluminium Cylinder Heads are taking affordable performance street and strip cylinder heads to the next level. Theseheads utilise ultra-smooth A356-T6 aluminium castings, new as-cast runner and chamberdesigns produce excellent flownumbers. This combined with a 5-angle competition valve job,diamond-honed bronze guides, hand bowl blending and professional assembly help to outperform some of the best brands in the business.\u003c\/p\u003e\n\u003cp\u003eThe Aeroflow Performance small block Chevy cylinder heads are designed for street \/ race performance engines to give the ultimate in flow at a competitive price. Made from A356 aluminium castings, these 210cc cylinder heads are idealfor operating in the idle to 7500 rpm range. These completecylinder heads will fit a 4.00\" bore and larger. \u003c\/p\u003e \u003cbr\u003e\u003cb\u003eAdditional Specifications: \u003c\/b\u003e\u003cdiv class=\"content-body\"\u003e \u003cstrong\u003eHead Specifications\u003c\/strong\u003e \u003cbr\u003e\u003cbr\u003eMaterial:  A356 Aluminium \u003cbr\u003eChamber Chamber:  66cc\u003cbr\u003eIntake Port Volume:  210cc \u003cbr\u003eIntake Port Dimension:  2.21\" x 1.30\"\u003cbr\u003eExhaust Port Volume:  72cc \u003cbr\u003eExhaust Port Dimension:  1.42\" H x 1.53\" W\u003cbr\u003eExhuast PortLocation:  Raised .250\"\u003cbr\u003eSpark Plug Location:  Angled \u003cbr\u003eIntake Valve Diameter:  2.08\"\u003cbr\u003eExhaust Valve Diameter:  1.60\"\u003cbr\u003eValve Stem Diameter:  8mm \u003cbr\u003eValve Spring Pocket I.D.:  1.57\" \u003cbr\u003eValve Guide Material:  Bronze\u003cbr\u003eValve Guide O.D.:  .502\" (.560\" at base) \u003cbr\u003eRocker Stud Thread Size: 7\/16\" x 14 \u003cbr\u003eValve Angle:  23°\u003cbr\u003eDeck Thickness:  .750\" \u003cbr\u003e\u003cb\u003eImportant Information: \u003c\/b\u003e\u003cdiv class=\"content-body\"\u003e \u003cp\u003e\u003cstrong\u003eIMPORTANT NOTICE:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWe recommend to check installed spring seat pressure \u0026amp; open pressure before installing your cylinder headsto make sure the spring pressure is correct for your application.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Aeroflow Performance","offers":[{"title":"2.21\" x 1.30\" Intake Port, 1.42\" x 1.53\" Exhaust Port","offer_id":43503409201323,"sku":"AF95-0400","price":1649.02,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0520\/9319\/0315\/files\/aeroflow-performance-2-21-x-1-30-intake-port-1-42-x-1-53-exhaust-port-aeroflow-bare-small-block-chev-327-350-400-212cc-aluminium-cylinder-heads-with-66cc-chamb-srcopyright-1159732026.jpg?v=1748884932"},{"product_id":"af95-0350","title":"Aeroflow Bare Small Block Chev 327-350-400 204cc Aluminium Cylinder Heads with 67cc Chamb","description":"\u003cb\u003eBare Small Block Chev 327-350-400 204cc Aluminium Cylinder Heads with 67cc Chamber (Pair)\u003c\/b\u003e\u003cbr\u003e\u003cb\u003e2.22\" x 1.31\" Intake Port, 1.34\" x 1.39\" Exhaust Port\u003c\/b\u003e\u003cbr\u003e\u003cb\u003eBrand: \u003c\/b\u003e\u003cspan\u003eAEROFLOW\u003c\/span\u003e\u003cbr\u003e\u003cb\u003ePart Number: \u003c\/b\u003e\u003cspan\u003eAF95-0350\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eDescription: \u003c\/b\u003e\u003cdiv class=\"value description\"\u003e \u003cp\u003eThe Aeroflow Series of Aluminium Cylinder Heads are taking affordable performance street and strip cylinder heads to the next level. Theseheads utilise ultra-smooth A356-T6 aluminium castings, new as-cast runner and chamberdesigns produce excellent flownumbers. This combined with a 5-angle competition valve job,diamond-honed bronze guides, hand bowl blending and professional assembly help to outperform some of the best brands in the business.\u003c\/p\u003e\n\u003cp\u003eThe Aeroflow Performance small block Chevy cylinder heads are designed for entry level street performance engines to give the ultimate in flow at a budget price. Made from A356 aluminium castings, the 204cc cylinder heads are ideal for operating in the idle to 6500 rpm range. These cylinder heads will fit a 4.00\" bore and larger.\u003c\/p\u003e \u003cbr\u003e\u003cb\u003eAdditional Specifications: \u003c\/b\u003e\u003cdiv class=\"content-body\"\u003e \u003cstrong\u003eHead Specifications\u003c\/strong\u003e \u003cbr\u003e\u003cbr\u003eMaterial:  A356 Aluminium \u003cbr\u003eChamber Chamber:  67cc\u003cbr\u003eIntake Port Volume:  204cc \u003cbr\u003eIntake Port Dimension:  2.22\" x 1.31\"\u003cbr\u003eExhaust Port Volume:  70cc \u003cbr\u003eExhaust Port Dimension:  1.34\" H x 1.39\" W\u003cbr\u003eSpark Plug Location:  Straight \u003cbr\u003eIntake Valve Diameter:  2.02\"\u003cbr\u003eExhaust Valve Diameter:  1.60\"\u003cbr\u003eValve Stem Diameter:  11\/32\"\u003cbr\u003eValve Spring Pocket I.D.:  1.49\"\u003cbr\u003eValve Guide Material:  Manganese Bronze \u003cbr\u003eValve Guide O.D.:  .530\" (.570\" at base)\u003cbr\u003eRocker Stud Thread Size:  7\/16\" x 14\u003cbr\u003eValve Angle:  23°\u003cbr\u003eDeck Thickness:  .625\" \u003cbr\u003e\u003cb\u003eImportant Information: \u003c\/b\u003e\u003cdiv class=\"content-body\"\u003e \u003cp\u003e\u003cstrong\u003eIMPORTANT NOTICE:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWe recommend to check installed spring seat pressure \u0026amp; open pressure before installing your cylinder headsto make sure the spring pressure is correct for your application.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Aeroflow Performance","offers":[{"title":"2.22\" x 1.31\" Intake Port, 1.34\" x 1.39\" Exhaust Port","offer_id":43503409234091,"sku":"AF95-0350","price":1365.66,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0520\/9319\/0315\/files\/aeroflow-performance-2-22-x-1-31-intake-port-1-34-x-1-39-exhaust-port-aeroflow-bare-small-block-chev-327-350-400-204cc-aluminium-cylinder-heads-with-67cc-chamb-srcopyright-1159732029.jpg?v=1748885043"},{"product_id":"af95-0416","title":"Aeroflow Bare GM LS3 6 Bolt 276cc CNC Ported Aluminium Cylinder Heads with 70cc Chamber (","description":"\u003cb\u003eBare GM LS3 6 Bolt 276cc CNC Ported Aluminium Cylinder Heads with 70cc Chamber (Pair)\u003c\/b\u003e\u003cbr\u003e\u003cb\u003e2.60\" x 1.28\" Intake Port, 1.47\" x 1.64\" Exhaust Port\u003c\/b\u003e\u003cbr\u003e\u003cb\u003eBrand: \u003c\/b\u003e\u003cspan\u003eAEROFLOW\u003c\/span\u003e\u003cbr\u003e\u003cb\u003ePart Number: \u003c\/b\u003e\u003cspan\u003eAF95-0416\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eDescription: \u003c\/b\u003e\u003cdiv class=\"value description\"\u003e \u003cp\u003eThe Aeroflow Series of Aluminium Cylinder Heads are taking affordable performance street and strip cylinder heads to the next level. Theseheads utilise ultra-smooth A356-T6 aluminium castings, new as-cast runner and chamberdesigns produce excellent flownumbers. This combined with a 5-angle competition valve job,diamond-honed bronze guides, hand bowl blending and professional assembly help to outperform some of the best brands in the business.\u003c\/p\u003e\n\u003cp\u003eThe Aeroflow Performance GM LS cylinder heads are designed for street \/ race performance engines to give the ultimate in flow at acompetitive price. Made from A356-T6 aluminium castings andfeature full CNC ports and combustion chambers. These 15° LS3 Rectangle Port heads are designed to fit LS series engines with a 4.00\" or larger bore. These bare 276cc heads accept 2.165\" diameter intake valves and 1.59\" exhaust valves and have a thicker thanstock .625\" deck thickness. Available in OE 4-bolt design or 6-bolt designto suit standard or LSX block designs.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNote: \u003c\/strong\u003e Thread sealant must be used on all rocker bolts asthreads intersect with intake ports.\u003c\/p\u003e \u003cbr\u003e\u003cb\u003eAdditional Specifications: \u003c\/b\u003e\u003cdiv class=\"content-body\"\u003e \u003cstrong\u003eHead Specifications\u003c\/strong\u003e \u003cbr\u003e\u003cbr\u003eMaterial:  A356 Aluminium \u003cbr\u003eChamber Chamber:  70cc\u003cbr\u003eIntake Port Volume:  276cc \u003cbr\u003eIntake Port Dimension:  1.30\" x 2.61\"\u003cbr\u003eExhaust Port Volume:  92cc \u003cbr\u003eExhaust Port Dimension:  1.475\" H x 1.65\" W\u003cbr\u003eSpark Plug Location:  OE Stock \u003cbr\u003eIntake Valve Diameter:  2.165\" x 4.89\"\u003cbr\u003eExhaust Valve Diameter:  1.59\" x 4.89\"\u003cbr\u003eValve Stem Diameter:  8mm\u003cbr\u003eValveSpring Pocket I.D.:  1.30\"\u003cbr\u003eValve Guide Material:  Manganese Bronze \u003cbr\u003eValve Guide O.D.:  .502\" (.560\" at base)\u003cbr\u003eRocker Design:  LS3 Rails required \u003cbr\u003eValve Angle:  15°\u003cbr\u003eDeck Thickness:  .625\" \u003cbr\u003e\u003cb\u003eImportant Information: \u003c\/b\u003e\u003cdiv class=\"content-body\"\u003e \u003cp\u003e\u003cstrong\u003eIMPORTANT NOTICE:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWe recommend to check installed spring seat pressure \u0026amp; open pressure before installing your cylinder headsto make sure the spring pressure is correct for your application.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Aeroflow Performance","offers":[{"title":"2.60\" x 1.28\" Intake Port, 1.47\" x 1.64\" Exhaust Port","offer_id":43503409266859,"sku":"AF95-0416","price":2728.07,"currency_code":"NZD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0520\/9319\/0315\/files\/aeroflow-performance-2-60-x-1-28-intake-port-1-47-x-1-64-exhaust-port-aeroflow-bare-gm-ls3-6-bolt-276cc-cnc-ported-aluminium-cylinder-heads-with-70cc-chamber-srcopyright-1159732022.jpg?v=1748884919"},{"product_id":"af95-0415","title":"Aeroflow Bare GM LS3 4 Bolt 276cc CNC Ported Aluminium Cylinder Heads with 70cc Chamber (","description":"\u003cb\u003eBare GM LS3 4 Bolt 276cc CNC Ported Aluminium Cylinder Heads with 70cc Chamber (Pair)\u003c\/b\u003e\u003cbr\u003e\u003cb\u003e2.60\" x 1.28\" Intake Port, 1.47\" x 1.64\" Exhaust Port\u003c\/b\u003e\u003cbr\u003e\u003cb\u003eBrand: \u003c\/b\u003e\u003cspan\u003eAEROFLOW\u003c\/span\u003e\u003cbr\u003e\u003cb\u003ePart Number: \u003c\/b\u003e\u003cspan\u003eAF95-0415\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eDescription: \u003c\/b\u003e\u003cdiv class=\"value description\"\u003e \u003cp\u003eThe Aeroflow Series of Aluminium Cylinder Heads are taking affordable performance street and strip cylinder heads to the next level. Theseheads utilise ultra-smooth A356-T6 aluminium castings, new as-cast runner and chamberdesigns produce excellent flownumbers. This combined with a 5-angle competition valve job,diamond-honed bronze guides, hand bowl blending and professional assembly help to outperform some of the best brands in the business.\u003c\/p\u003e\n\u003cp\u003eThe Aeroflow Performance GM LS cylinder heads are designed for street \/ race performance engines to give the ultimate in flow at acompetitive price. Made from A356-T6 aluminium castings andfeature full CNC ports and combustion chambers. These 15° LS3 Rectangle Port heads are designed to fit LS series engines with a 4.00\" or larger bore. These bare 276cc heads accept 2.165\" diameter intake valves and 1.59\" exhaust valves and have a thicker thanstock .625\" deck thickness. Available in OE 4-bolt design or 6-bolt designto suit standard or LSX block designs.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNote: \u003c\/strong\u003e Thread sealant must be used on all rocker bolts asthreads intersect with intake ports.\u003c\/p\u003e \u003cbr\u003e\u003cb\u003eAdditional Specifications: \u003c\/b\u003e\u003cdiv class=\"content-body\"\u003e \u003cstrong\u003eHead Specifications\u003c\/strong\u003e \u003cbr\u003e\u003cbr\u003eMaterial:  A356 Aluminium \u003cbr\u003eChamber Chamber:  70cc\u003cbr\u003eIntake Port Volume:  276cc \u003cbr\u003eIntake Port Dimension:  1.30\" x 2.61\"\u003cbr\u003eExhaust Port Volume:  92cc \u003cbr\u003eExhaust Port Dimension:  1.475\" H x 1.65\" W\u003cbr\u003eSpark Plug Location:  OE Stock \u003cbr\u003eIntake Valve Diameter:  2.165\" x 4.89\"\u003cbr\u003eExhaust Valve Diameter:  1.59\" x 4.89\"\u003cbr\u003eValve Stem Diameter:  8mm\u003cbr\u003eValveSpring Pocket I.D.:  1.30\"\u003cbr\u003eValve Guide Material:  Manganese Bronze \u003cbr\u003eValve Guide O.D.:  .502\" (.560\" at base)\u003cbr\u003eRocker Design:  LS3 Rails required \u003cbr\u003eValve Angle:  15°\u003cbr\u003eDeck Thickness:  .625\" \u003cbr\u003e\u003cb\u003eImportant Information: \u003c\/b\u003e\u003cdiv class=\"content-body\"\u003e \u003cp\u003e\u003cstrong\u003eIMPORTANT NOTICE:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWe recommend to check installed spring seat pressure \u0026amp; open pressure before installing your cylinder headsto make sure the spring pressure is correct for your application.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Aeroflow Performance","offers":[{"title":"2.60\" x 1.28\" Intake Port, 1.47\" x 1.64\" Exhaust Port","offer_id":43503409299627,"sku":"AF95-0415","price":2921.09,"currency_code":"NZD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0520\/9319\/0315\/files\/aeroflow-performance-2-60-x-1-28-intake-port-1-47-x-1-64-exhaust-port-aeroflow-bare-gm-ls3-4-bolt-276cc-cnc-ported-aluminium-cylinder-heads-with-70cc-chamber-srcopyright-1159732023.jpg?v=1748884922"},{"product_id":"af95-0361","title":"Aeroflow Bare Small Block Ford Windsor 289-351 200cc CNC Ported Aluminium Cylinder Heads","description":"\u003cb\u003eBare Small Block Ford Windsor 289-351 200cc CNC Ported Aluminium Cylinder Heads with 60cc Chamber (Pair)\u003c\/b\u003e\u003cbr\u003e\u003cb\u003e2.13\" x 1.28\" Intake Port, 1.40\" x 1.40\" Exhaust Port\u003c\/b\u003e\u003cbr\u003e\u003cb\u003eBrand: \u003c\/b\u003e\u003cspan\u003eAEROFLOW\u003c\/span\u003e\u003cbr\u003e\u003cb\u003ePart Number: \u003c\/b\u003e\u003cspan\u003eAF95-0361\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eDescription: \u003c\/b\u003e\u003cdiv class=\"value description\"\u003e \u003cp\u003eThe Aeroflow Series of Aluminium Cylinder Heads are taking affordable performance street and strip cylinder heads to the next level. Theseheads utilise ultra-smooth A356-T6 aluminium castings, new as-cast runner and chamberdesigns produce excellent flownumbers. This combined with a 5-angle competition valve job,diamond-honed bronze guides, hand bowl blending and professional assembly help to outperform some of the best brands in the business.\u003c\/p\u003e\n\u003cp\u003eThe Aeroflow Performance small block Ford Windsor cylinder heads are designed for street \/ race performance engines to give the ultimate in flow at a competitive price. Made from A356-T6 aluminium castings, they feature full CNC intake ports and chambered square exhaust ports.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNote: \u003c\/strong\u003eThese heads are drilled for 1\/2\" head bolts. If using a 7\/16\" bolt, you must use a head boltbushing kit or step down head bolts.\u003c\/p\u003e \u003cbr\u003e\u003cb\u003eAdditional Specifications: \u003c\/b\u003e\u003cdiv class=\"content-body\"\u003e \u003cstrong\u003eHead Specifications\u003c\/strong\u003e \u003cbr\u003e\u003cbr\u003eMaterial:  A356 Aluminium \u003cbr\u003eChamber Chamber:  60cc\u003cbr\u003eIntake Port Volume:  200cc \u003cbr\u003eIntake Port Dimension:  2.13\" x 1.28\"\u003cbr\u003eExhaust Port Volume:  68cc \u003cbr\u003eExhaust Port Dimension:  1.40\" H x 1.40\" W\u003cbr\u003eSpark Plug Location:  OEM \u003cbr\u003eIntake Valve Diameter:  2.08\"\u003cbr\u003eExhaust Valve Diameter:  1.60\"\u003cbr\u003eValve Stem Diameter:  8mm \u003cbr\u003eValve Spring Pocket I.D.:  1.64\" \u003cbr\u003eValve Guide Material:  Manganese Bronze \u003cbr\u003eValve Guide O.D.:  .490\" (.560\" at base)\u003cbr\u003eRocker Stud Thread Size:  7\/16\" x 14\u003cbr\u003eValve Angle:  20°\u003cbr\u003eDeck Thickness:  .750\" \u003cbr\u003e\u003cb\u003eImportant Information: \u003c\/b\u003e\u003cdiv class=\"content-body\"\u003e \u003cp\u003e\u003cstrong\u003eIMPORTANT NOTICE:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWe recommend to check installed spring seat pressure \u0026amp; open pressure before installing your cylinder headsto make sure the spring pressure is correct for your application.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Aeroflow Performance","offers":[{"title":"2.13\" x 1.28\" Intake Port, 1.40\" x 1.40\" Exhaust Port","offer_id":43503409332395,"sku":"AF95-0361","price":2817.57,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0520\/9319\/0315\/files\/aeroflow-performance-2-13-x-1-28-intake-port-1-40-x-1-40-exhaust-port-aeroflow-bare-small-block-ford-windsor-289-351-200cc-cnc-ported-aluminium-cylinder-heads-srcopyright-1159710385.jpg?v=1748539205"},{"product_id":"af95-0408","title":"Aeroflow Bare GM LS3 4 Bolt 276cc Aluminium Cylinder Heads with 70cc Chamber (Pair) AF95-","description":"\u003cb\u003eBare GM LS3 6 Bolt 276cc Aluminium Cylinder Headswith 70cc Chamber (Pair)\u003c\/b\u003e\u003cbr\u003e\u003cb\u003e2.60\" x 1.28\" Intake Port, 1.47\" x 1.64\" Exhaust Port\u003c\/b\u003e\u003cbr\u003e\u003cb\u003eBrand: \u003c\/b\u003e\u003cspan\u003eAEROFLOW\u003c\/span\u003e\u003cbr\u003e\u003cb\u003ePart Number: \u003c\/b\u003e\u003cspan\u003eAF95-0408\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eDescription: \u003c\/b\u003e\u003cdiv class=\"value description\"\u003e \u003cp\u003eThe Aeroflow Series of Aluminium Cylinder Heads are taking affordable performance street and strip cylinder heads to the next level. Theseheads utilise ultra-smooth A356-T6 aluminium castings, new as-cast runner and chamberdesigns produce excellent flownumbers. This combined with a 5-angle competition valve job,diamond-honed bronze guides, hand bowl blending and professional assembly help to outperform some of the best brands in the business.\u003c\/p\u003e\n\u003cp\u003eThe Aeroflow Performance GM LS cylinder heads are designed for street \/ race performance engines to give the ultimate in flow at acompetitive price. Made from A356 aluminium castings, these15° LS3 Rectangle Port heads are designed to fit LS series engines with a 4.00\" or larger bore. These bare 276cc heads accept 2.165\" diameter intake valves and 1.60\" exhaust valves and have a thicker thanstock .625\" deck thickness. Available in OE 4-bolt design or 6-bolt designto suit standard or LSX block designs.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNote: \u003c\/strong\u003e Thread sealant must be used on all rocker bolts asthreads intersect with intake ports.\u003c\/p\u003e \u003cbr\u003e\u003cb\u003eAdditional Specifications: \u003c\/b\u003e\u003cdiv class=\"content-body\"\u003e \u003cstrong\u003eHead Specifications\u003c\/strong\u003e \u003cbr\u003e\u003cbr\u003eMaterial:  A356 Aluminium \u003cbr\u003eChamber Chamber:  70cc\u003cbr\u003eIntake Port Volume:  276cc \u003cbr\u003eIntake Port Dimension:  1.285\" x 2.60\"\u003cbr\u003eExhaust Port Volume:  90cc \u003cbr\u003eExhaust Port Dimension:  1.47\" H x 1.64\" W\u003cbr\u003eSpark Plug Location:  OE Stock \u003cbr\u003eIntake Valve Diameter:  2.165\" x 4.89\"\u003cbr\u003eExhaust Valve Diameter:  1.59\" x 4.89\"\u003cbr\u003eValve Stem Diameter:  8mm\u003cbr\u003eValveSpring Pocket I.D.:  1.30\"\u003cbr\u003eValve Guide Material:  Manganese Bronze \u003cbr\u003eValve Guide O.D.:  .502\" (.560\" at base)\u003cbr\u003eRocker Design:  LS3 Rails required \u003cbr\u003eValve Angle:  15°\u003cbr\u003eDeck Thickness:  .625\" \u003cbr\u003e\u003cb\u003eImportant Information: \u003c\/b\u003e\u003cdiv class=\"content-body\"\u003e \u003cp\u003e\u003cstrong\u003eIMPORTANT NOTICE:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWe recommend to check installed spring seat pressure \u0026amp; open pressure before installing your cylinder headsto make sure the spring pressure is correct for your application.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Aeroflow Performance","offers":[{"title":"2.60\" x 1.28\" Intake Port, 1.47\" x 1.64\" Exhaust Port","offer_id":43503409365163,"sku":"AF95-0408","price":1762.25,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0520\/9319\/0315\/files\/aeroflow-performance-2-60-x-1-28-intake-port-1-47-x-1-64-exhaust-port-aeroflow-bare-gm-ls3-4-bolt-276cc-aluminium-cylinder-heads-with-70cc-chamber-pair-af95-srcopyright-1159710411.jpg?v=1746227417"},{"product_id":"af95-0407","title":"Aeroflow Bare GM LS3 4 Bolt 276cc Aluminium Cylinder Heads with 70cc Chamber (Pair) AF95-","description":"\u003cb\u003eBare GM LS3 4 Bolt 276cc Aluminium Cylinder Headswith 70cc Chamber (Pair)\u003c\/b\u003e\u003cbr\u003e\u003cb\u003e2.60\" x 1.28\" Intake Port, 1.47\" x 1.64\" Exhaust Port\u003c\/b\u003e\u003cbr\u003e\u003cb\u003eBrand: \u003c\/b\u003e\u003cspan\u003eAEROFLOW\u003c\/span\u003e\u003cbr\u003e\u003cb\u003ePart Number: \u003c\/b\u003e\u003cspan\u003eAF95-0407\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eDescription: \u003c\/b\u003e\u003cdiv class=\"value description\"\u003e \u003cp\u003eThe Aeroflow Series of Aluminium Cylinder Heads are taking affordable performance street and strip cylinder heads to the next level. Theseheads utilise ultra-smooth A356-T6 aluminium castings, new as-cast runner and chamberdesigns produce excellent flownumbers. This combined with a 5-angle competition valve job,diamond-honed bronze guides, hand bowl blending and professional assembly help to outperform some of the best brands in the business.\u003c\/p\u003e\n\u003cp\u003eThe Aeroflow Performance GM LS cylinder heads are designed for street \/ race performance engines to give the ultimate in flow at acompetitive price. Made from A356 aluminium castings, these15° LS3 Rectangle Port heads are designed to fit LS series engines with a 4.00\" or larger bore. These bare 276cc heads accept 2.165\" diameter intake valves and 1.60\" exhaust valves and have a thicker thanstock .625\" deck thickness. Available in OE 4-bolt design or 6-bolt designto suit standard or LSX block designs.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNote: \u003c\/strong\u003e Thread sealant must be used on all rocker bolts asthreads intersect with intake ports.\u003c\/p\u003e \u003cbr\u003e\u003cb\u003eAdditional Specifications: \u003c\/b\u003e\u003cdiv class=\"content-body\"\u003e \u003cstrong\u003eHead Specifications\u003c\/strong\u003e \u003cbr\u003e\u003cbr\u003eMaterial:  A356 Aluminium \u003cbr\u003eChamber Chamber:  70cc\u003cbr\u003eIntake Port Volume:  276cc \u003cbr\u003eIntake Port Dimension:  1.285\" x 2.60\"\u003cbr\u003eExhaust Port Volume:  90cc \u003cbr\u003eExhaust Port Dimension:  1.47\" H x 1.64\" W\u003cbr\u003eSpark Plug Location:  OE Stock \u003cbr\u003eIntake Valve Diameter:  2.165\" x 4.89\"\u003cbr\u003eExhaust Valve Diameter:  1.59\" x 4.89\"\u003cbr\u003eValve Stem Diameter:  8mm\u003cbr\u003eValveSpring Pocket I.D.:  1.30\"\u003cbr\u003eValve Guide Material:  Manganese Bronze \u003cbr\u003eValve Guide O.D.:  .502\" (.560\" at base)\u003cbr\u003eRocker Design:  LS3 Rails required \u003cbr\u003eValve Angle:  15°\u003cbr\u003eDeck Thickness:  .625\" \u003cbr\u003e\u003cb\u003eImportant Information: \u003c\/b\u003e\u003cdiv class=\"content-body\"\u003e \u003cp\u003e\u003cstrong\u003eIMPORTANT NOTICE:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWe recommend to check installed spring seat pressure \u0026amp; open pressure before installing your cylinder headsto make sure the spring pressure is correct for your application.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Aeroflow Performance","offers":[{"title":"2.60\" x 1.28\" Intake Port, 1.47\" x 1.64\" Exhaust Port","offer_id":43503409397931,"sku":"AF95-0407","price":1743.0,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0520\/9319\/0315\/files\/aeroflow-performance-2-60-x-1-28-intake-port-1-47-x-1-64-exhaust-port-aeroflow-bare-gm-ls3-4-bolt-276cc-aluminium-cylinder-heads-with-70cc-chamber-pair-af95-srcopyright-1159732024.jpg?v=1748884925"},{"product_id":"af95-0360","title":"Aeroflow Bare Small Block Ford Windsor 289-351 203cc Aluminium Cylinder Heads with 58cc C","description":"\u003cb\u003eBare Small Block Ford Windsor 289-351 203cc Aluminium Cylinder Heads with 58cc Chamber (Pair)\u003c\/b\u003e\u003cbr\u003e\u003cb\u003e2.13\" x 1.28\" Intake Port, 1.40\" x 1.40\" Exhaust Port\u003c\/b\u003e\u003cbr\u003e\u003cb\u003eBrand: \u003c\/b\u003e\u003cspan\u003eAEROFLOW\u003c\/span\u003e\u003cbr\u003e\u003cb\u003ePart Number: \u003c\/b\u003e\u003cspan\u003eAF95-0360\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eDescription: \u003c\/b\u003e\u003cdiv class=\"value description\"\u003e \u003cstrong\u003eHead Specifications\u003c\/strong\u003e \u003cbr\u003e\u003cbr\u003eMaterial:  A356 Aluminium \u003cbr\u003eChamber Chamber:  58cc\u003cbr\u003eIntake Port Volume:  205cc \u003cbr\u003eIntake Port Dimension:  2.13\" x 1.28\"\u003cbr\u003eExhaust Port Volume:  71cc \u003cbr\u003eExhaust Port Dimension:  1.40\" H x 1.40\" W\u003cbr\u003eExhaust PortLocation:  Raised .250\"\u003cbr\u003eSpark Plug Location:  OEM \u003cbr\u003eIntake Valve Diameter:  2.08\"\u003cbr\u003eExhaust Valve Diameter:  1.60\"\u003cbr\u003eValve Stem Diameter:  8mm \u003cbr\u003eValve Spring Pocket I.D.:  1.64\" \u003cbr\u003eValve Guide Material:  Manganese Bronze \u003cbr\u003eValve Guide O.D.:  .490\" (.560\"atbase)\u003cbr\u003eRocker Stud Thread Size: 7\/16\" x 14 \u003cbr\u003eValve Angle:  20°\u003cbr\u003eDeck Thickness:  .750\" \u003cbr\u003e\u003cb\u003eImportant Information: \u003c\/b\u003e\u003cdiv class=\"content-body\"\u003e \u003cp\u003e\u003cstrong\u003eIMPORTANT NOTICE:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWe recommend to check installed spring seat pressure \u0026amp; open pressure before installing your cylinder headsto make sure the spring pressure is correct for your application.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Aeroflow Performance","offers":[{"title":"2.13\" x 1.28\" Intake Port, 1.40\" x 1.40\" Exhaust Port","offer_id":43503409463467,"sku":"AF95-0360","price":1657.12,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0520\/9319\/0315\/files\/aeroflow-performance-2-13-x-1-28-intake-port-1-40-x-1-40-exhaust-port-aeroflow-bare-small-block-ford-windsor-289-351-203cc-aluminium-cylinder-heads-with-58cc-c-srcopyright-1159732028.jpg?v=1748884937"},{"product_id":"af95-0401","title":"Aeroflow Bare Small Block Chev 327-350-400 213cc CNC Ported Aluminium Cylinder Heads with","description":"\u003cb\u003eBare Small Block Chev 327-350-400 213cc CNC Ported Aluminium Cylinder Heads with 68cc Chamber (Pair)\u003c\/b\u003e\u003cbr\u003e\u003cb\u003e2.15\" x 1.30\" Intake Port, 1.45\" x 1.50\" Exhaust Port\u003c\/b\u003e\u003cbr\u003e\u003cb\u003eBrand: \u003c\/b\u003e\u003cspan\u003eAEROFLOW\u003c\/span\u003e\u003cbr\u003e\u003cb\u003ePart Number: \u003c\/b\u003e\u003cspan\u003eAF95-0401\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eDescription: \u003c\/b\u003e\u003cdiv class=\"value description\"\u003e \u003cp\u003eThe Aeroflow Series of Aluminium Cylinder Heads are taking affordable performance street and strip cylinder heads to the next level. Theseheads utilise ultra-smooth A356-T6 aluminium castings, new as-cast runner and chamberdesigns produce excellent flownumbers. This combined with a 5-angle competition valve job,diamond-honed bronze guides, hand bowl blending and professional assembly help to outperform some of the best brands in the business.\u003c\/p\u003e\n\u003cp\u003eThe Aeroflow Performance small block Chevy cylinder heads are designed for street \/ race performance engines to give the ultimate in flow at a competitive price. Made from A356-T6 aluminium castings, these 213cc cylinder heads feature full CNC ports and are ideal for operating in the idle to 7500 rpm range. These completecylinder heads will fit a 4.00\" bore and larger. \u003c\/p\u003e \u003cbr\u003e\u003cb\u003eAdditional Specifications: \u003c\/b\u003e\u003cdiv class=\"content-body\"\u003e \u003cstrong\u003eHead Specifications\u003c\/strong\u003e \u003cbr\u003e\u003cbr\u003eMaterial:  A356 Aluminium \u003cbr\u003eChamber Chamber:  68cc\u003cbr\u003eIntake Port Volume:  213cc \u003cbr\u003eIntake Port Dimension:  2.15\" x 1.30\"\u003cbr\u003eExhaust Port Volume:  82cc \u003cbr\u003eExhaust Port Dimension:  1.45\" H x 1.50\" W\u003cbr\u003eSpark Plug Location:  Angled \u003cbr\u003eIntake Valve Diameter:  2.08\"\u003cbr\u003eExhaust Valve Diameter:  1.60\"\u003cbr\u003eValve Stem Diameter:  8mm \u003cbr\u003eValve Spring Pocket I.D.:  1.57\" \u003cbr\u003eValve Guide Material:  Manganese Bronze \u003cbr\u003eValve Guide O.D.:  .502\" (.560\" at base)\u003cbr\u003eRocker Stud Thread Size:  7\/16\" x 14\u003cbr\u003eValve Angle:  23°\u003cbr\u003eDeck Thickness:  .625\" \u003cbr\u003e\u003cb\u003eImportant Information: \u003c\/b\u003e\u003cdiv class=\"content-body\"\u003e \u003cp\u003e\u003cstrong\u003eIMPORTANT NOTICE:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWe recommend to check installed spring seat pressure \u0026amp; open pressure before installing your cylinder headsto make sure the spring pressure is correct for your application.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Aeroflow Performance","offers":[{"title":"2.15\" x 1.30\" Intake Port, 1.45\" x 1.50\" Exhaust Port","offer_id":43503409496235,"sku":"AF95-0401","price":2896.1,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0520\/9319\/0315\/files\/aeroflow-performance-2-15-x-1-30-intake-port-1-45-x-1-50-exhaust-port-aeroflow-bare-small-block-chev-327-350-400-213cc-cnc-ported-aluminium-cylinder-heads-with-srcopyright-1159732025.jpg?v=1748884929"},{"product_id":"af95-0390","title":"Aeroflow Bare Ford 390-428 170cc Aluminium Cylinder Heads with 72cc Chamber (Pair) AF95-0","description":"\u003cb\u003eBare Ford 390-428 170cc Aluminium Cylinder Headswith 72cc Chamber (Pair)\u003c\/b\u003e\u003cbr\u003e\u003cb\u003e2.06\" x 1.36\" Intake Port, 1.85\" x 1.27\" Exhaust Port\u003c\/b\u003e\u003cbr\u003e\u003cb\u003eBrand: \u003c\/b\u003e\u003cspan\u003eAEROFLOW\u003c\/span\u003e\u003cbr\u003e\u003cb\u003ePart Number: \u003c\/b\u003e\u003cspan\u003eAF95-0390\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eDescription: \u003c\/b\u003e\u003cdiv class=\"value description\"\u003e \u003cp\u003eThe Aeroflow Series of Aluminium Cylinder Heads are taking affordable performance street and strip cylinder heads to the next level. Theseheads utilise ultra-smooth A356-T6 aluminium castings, new as-cast runner and chamberdesigns produce excellent flownumbers. This combined with a 5-angle competition valve job,diamond-honed bronze guides, hand bowl blending and professional assembly help to outperform some of the best brands in the business.\u003c\/p\u003e\n\u003cp\u003eThe Aeroflow Ford FE Aluminium Cylinder Heads are taking affordable performance street and strip cylinder heads to the next level. These heads utilise ultra-smooth A356-T6 aluminiumcastings, new as-cast runner and chamber designs produce CNC flow numbers. These Ford FE heads have 170cc intake runners, combined with diamond-honed bronze guides and hand bowl blending to outperform some of the best brands in the business.\u003c\/p\u003e \u003cbr\u003e\u003cb\u003eAdditional Specifications: \u003c\/b\u003e\u003cdiv class=\"content-body\"\u003e \u003cstrong\u003eHead Specifications\u003c\/strong\u003e \u003cbr\u003e\u003cbr\u003eMaterial:  A356 Aluminium \u003cbr\u003eChamber Chamber:  72cc\u003cbr\u003eIntake Port Volume:  170cc \u003cbr\u003eIntake Port Dimension:  2.065\" x 1.36\"\u003cbr\u003eExhaust Port Volume:  125cc \u003cbr\u003eExhaust Port Dimension:  1.85\" H x 1.27\" W\u003cbr\u003eSpark Plug Location:  Angled \u003cbr\u003eIntake Valve Diameter:  2.09\"\u003cbr\u003eExhaust Valve Diameter:  1.66\"\u003cbr\u003eValve Stem Diameter:  3\/8\"\u003cbr\u003eValve Spring Pocket I.D.:  1.725\"\u003cbr\u003eValve Guide Material:  Manganese Bronze \u003cbr\u003eValve Guide O.D.:  .562\"\u003cbr\u003eRocker Stud Thread Size: Shaft type\u003cbr\u003eValve Angle:  13°\u003cbr\u003eDeck Thickness:  .625\" \u003cbr\u003e\u003cb\u003eImportant Information: \u003c\/b\u003e\u003cdiv class=\"content-body\"\u003e \u003cp\u003e\u003cstrong\u003eIMPORTANT NOTICE:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWe recommend to check installed spring seat pressure \u0026amp; open pressure before installing your cylinder headsto make sure the spring pressure is correct for your application.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Aeroflow Performance","offers":[{"title":"2.06\" x 1.36\" Intake Port, 1.85\" x 1.27\" Exhaust Port","offer_id":43503409529003,"sku":"AF95-0390","price":2220.84,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0520\/9319\/0315\/files\/aeroflow-performance-2-06-x-1-36-intake-port-1-85-x-1-27-exhaust-port-aeroflow-bare-ford-390-428-170cc-aluminium-cylinder-heads-with-72cc-chamber-pair-af95-0-srcopyright-1159732027.jpg?v=1748884934"},{"product_id":"af95-0427","title":"Aeroflow Bare Big Block Chev 396-454 320cc Aluminium Cylinder Heads with 120cc Chamber (P","description":"\u003cb\u003eBare Big Block Chev 396-454 320cc Aluminium Cylinder Heads with 120cc Chamber (Pair)\u003c\/b\u003e\u003cbr\u003e\u003cb\u003e2.45\" x 1.75\" Intake Port, 1.75\" x 2.00\" Exhaust Port\u003c\/b\u003e\u003cbr\u003e\u003cb\u003eBrand: \u003c\/b\u003e\u003cspan\u003eAEROFLOW\u003c\/span\u003e\u003cbr\u003e\u003cb\u003ePart Number: \u003c\/b\u003e\u003cspan\u003eAF95-0427\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eDescription: \u003c\/b\u003e\u003cdiv class=\"value description\"\u003e \u003cp\u003eThe Aeroflow Series of Aluminium Cylinder Heads are taking affordable performance street and strip cylinder heads to the next level. Theseheads utilise ultra-smooth A356-T6 aluminium castings, new as-cast runner and chamberdesigns produce excellent flownumbers. This combined with a 5-angle competition valve job,diamond-honed bronze guides, hand bowl blending and professional assembly help to outperform some of the best brands in the business.\u003c\/p\u003e\n\u003cp\u003eThe Aeroflow Performance big block Chevy cylinder heads are designed for street \/ race performance engines to give the ultimate in flow at a competitive price. These heads flow 364cfm! Best suited for high revving 454, or 502ci up Big Blocks. Made from A356 aluminium castings, these rectangle port 320cc cylinder heads are ideal for operating in the idle to 6750 rpm range.\u003c\/p\u003e \u003cbr\u003e\u003cb\u003eAdditional Specifications: \u003c\/b\u003e\u003cdiv class=\"content-body\"\u003e \u003cstrong\u003eHead Specifications\u003c\/strong\u003e \u003cbr\u003e\u003cbr\u003eMaterial:  A356 Aluminium \u003cbr\u003eChamber Chamber:  120cc\u003cbr\u003eIntake Port Volume:  320cc \u003cbr\u003eIntake Port Dimension:  2.45\" x 1.75\"\u003cbr\u003eExhaust Port Volume:  125cc \u003cbr\u003eExhaust Port Dimension:  1.75\" H x 2.00\" W\u003cbr\u003eExhaust PortLocation:  Raised .375\"\u003cbr\u003eSpark Plug Location:  Angled \u003cbr\u003eIntake Valve Diameter:  2.25\"\u003cbr\u003eExhaust Valve Diameter:  1.88\"\u003cbr\u003eValve Stem Diameter:  11\/32\"\u003cbr\u003eValve Spring Pocket I.D.:  1.735\"\u003cbr\u003eValve Guide Material:  Manganese Bronze \u003cbr\u003eValve Guide O.D.:  .530\" (.570\" at base)\u003cbr\u003eRocker Stud Thread Size:  7\/16\" x 14\u003cbr\u003eValve Angle:  24° Intake \/ 15°Exhaust\u003cbr\u003eDeck Thickness:  .750\" \u003cbr\u003e\u003cb\u003eImportant Information: \u003c\/b\u003e\u003cdiv class=\"content-body\"\u003e \u003cp\u003e\u003cstrong\u003eIMPORTANT NOTICE:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWe recommend to check installed spring seat pressure \u0026amp; open pressure before installing your cylinder headsto make sure the spring pressure is correct for your application.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Aeroflow Performance","offers":[{"title":"2.45\" x 1.75\" Intake Port, 1.75\" x 2.00\" Exhaust Port","offer_id":43503410217131,"sku":"AF95-0427","price":2726.09,"currency_code":"NZD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0520\/9319\/0315\/files\/aeroflow-performance-2-45-x-1-75-intake-port-1-75-x-2-00-exhaust-port-aeroflow-bare-big-block-chev-396-454-320cc-aluminium-cylinder-heads-with-120cc-chamber-p-srcopyright-1159732021.jpg?v=1748884698"},{"product_id":"af95-2318","title":"Aeroflow Complete Small Block Chrysler 318-360 179cc Aluminium Cylinder Heads with 63cc C","description":"\u003cb\u003eComplete Small Block Chrysler 318-360 179cc Aluminium Cylinder Heads with 63cc Chamber (Pair)\u003c\/b\u003e\u003cbr\u003e\u003cb\u003e2.28\" x 1.16\" Intake Port, 1.75\" x 1.25\" Exhaust Port\u003c\/b\u003e\u003cbr\u003e\u003cb\u003eBrand: \u003c\/b\u003e\u003cspan\u003eAEROFLOW\u003c\/span\u003e\u003cbr\u003e\u003cb\u003ePart Number: \u003c\/b\u003e\u003cspan\u003eAF95-2318\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eDescription: \u003c\/b\u003e\u003cdiv class=\"value description\"\u003e \u003cp\u003eThe Aeroflow Series of Aluminium Cylinder Heads are taking affordable performance street and strip cylinder heads to the next level. Theseheads utilise ultra-smooth A356-T6 aluminium castings, new as-cast runner and chamberdesigns produce excellent flownumbers. This combined with a 5-angle competition valve job,diamond-honed bronze guides, hand bowl blending and professional assembly help to outperform some of the best brands in the business.\u003c\/p\u003e\n\u003cp\u003eThe Aeroflow Performance small block Chrysler cylinder heads are designed for street performance engines to give the ultimate in flow at a budget price. Made from A356 aluminium castings, the 179cc cylinder heads are ideal for operating in the idle to 6500 rpm range. The complete heads include larger then stock 1.55\" diameter dual valvespring to handle up to 0.580\" maximum lift. Suits flat tappet and hydraulic camshafts.\u003c\/p\u003e \u003cbr\u003e\u003cb\u003eAdditional Specifications: \u003c\/b\u003e\u003cdiv class=\"content-body\"\u003e \u003cstrong\u003eHead Specifications\u003c\/strong\u003e \u003cbr\u003e\u003cbr\u003eMaterial:  A356 Aluminium \u003cbr\u003eChamber Chamber:  63cc\u003cbr\u003eIntake Port Volume:  179cc \u003cbr\u003eIntake Port Dimension:  2.28\" x 1.16\"\u003cbr\u003eExhaust Port Volume:  79cc \u003cbr\u003eExhaust Port Dimension:  1.75\" H x 1.257\" W\u003cbr\u003eSpark Plug Location:  Angled \u003cbr\u003eIntake Valve Diameter:  2.02\"\u003cbr\u003eExhaust Valve Diameter:  1.60\"\u003cbr\u003eValve Stem Diameter:  11\/32\"\u003cbr\u003eValve Spring Pocket I.D.:  1.50\"\u003cbr\u003eValve Guide Material:  Manganese Bronze \u003cbr\u003eValve Guide O.D.:  .530\" (.560\" at base)\u003cbr\u003eRocker Stud Thread Size:  OE Stock \u003cbr\u003eValve Angle:  18°\u003cbr\u003eDeck Thickness:  .625\" \u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eValve Spring Specifications\u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003eInstalled Height: 1.800\" \u003cbr\u003eInstalled Pressure: 125lbs \u003cbr\u003eOpen Pressure: 340lbs @ 500\"\u003cbr\u003eMaximum Lift: .600\" @ 1.260\"\u003cbr\u003eCoil Bind: 1.120\" \u003cbr\u003eSpring Outside Diameter: 1.450\" \u003cbr\u003eSpring Inside Diameter: 1.050\" \u003cbr\u003eSpring Free Length: 2.200\" \u003cbr\u003eValve Spring Retainer Outside Diameter: 1.400\" \u003cbr\u003eValve Spring Inside Diameter: 0.400\" \u003cbr\u003eValve Spring Retainer Step 1: 1.050\" \u003cbr\u003eValve Spring Retainer Step 2: 0.685\" \u003cbr\u003eValve Spring Locator Outside Diameter: 1.500\" \u003cbr\u003e\u003cb\u003eImportant Information: \u003c\/b\u003e\u003cdiv class=\"content-body\"\u003e \u003cp\u003e\u003cstrong\u003eIMPORTANT NOTICE:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWe recommend to check installed spring seat pressure \u0026amp; open pressure before installing your cylinder headsto make sure the spring pressure is correct for your application.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Aeroflow Performance","offers":[{"title":"2.28\" x 1.16\" Intake Port, 1.75\" x 1.25\" Exhaust Port","offer_id":43503410577579,"sku":"AF95-2318","price":2932.4,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0520\/9319\/0315\/files\/aeroflow-performance-2-28-x-1-16-intake-port-1-75-x-1-25-exhaust-port-aeroflow-complete-small-block-chrysler-318-360-179cc-aluminium-cylinder-heads-with-63cc-c-srcopyright-1159710447.jpg?v=1746227282"}],"url":"https:\/\/stealthride.com.au\/collections\/engine-components-engine-components-cylinder-heads.oembed?page=4","provider":"Stealth Ride","version":"1.0","type":"link"}