{"product_id":"edelbrock-61657-engine-cylinder-head","title":"Edelbrock 61657 Engine Cylinder Head","description":"The Edelbrock #61657 Performer RPM CJ Bare NHRA Stock\/Super Stock cylinder heads are designed for use with 1968-87 429\/460 Fords and SVO 514 engine applications. The Edelbrock #61657 Performer RPM heads are perfect for street performance, daily drivers, street rods and muscle cars where seat-of-the-pants performance is needed. These cylinder heads deliver great throttle response and power from 1500 to 6500 rpm. They also feature the highest quality intake and exhaust valves and valve springs. For use on pre-pollution controlled vehicles only.\u003cbr\u003e\u003cbr\u003e\u003ch5\u003eSpecifications:\u003c\/h5\u003e\u003cbr\u003e\u003ctable class=\"descr-table\" border=\"0\"\u003e\n\u003ctr\u003e\n\u003ctd\u003eCNC Ported\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCombustion Chamber Volume\u003c\/td\u003e\n\u003ctd\u003e75.0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDeck Thickness\u003c\/td\u003e\n\u003ctd\u003e0.625\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDescription_ABR\u003c\/td\u003e\n\u003ctd\u003eCyl. Head\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDescription_ASM\u003c\/td\u003e\n\u003ctd\u003eFord:Big-Block:429 (7.0L )\/460 (7.5L)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDescription_DEF\u003c\/td\u003e\n\u003ctd\u003eEngine Cylinder Head\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDescription_EXT\u003c\/td\u003e\n\u003ctd\u003eEdelbrock part #61657 Performer RPM CJ Bare NHRA Stock\/Super Stock cylinder heads are designed for use with 1968-87 429\/460 Fords and SVO 514 engine applications.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDescription_INV\u003c\/td\u003e\n\u003ctd\u003eEdelbrock BB Ford Cylinder Head\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDescription_LAB\u003c\/td\u003e\n\u003ctd\u003eRPM Big-Block Ford 460 Cylinder Head 460 CJ NHRA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDescription_MKT\u003c\/td\u003e\n\u003ctd\u003eThe Edelbrock #61657 Performer RPM CJ Bare NHRA Stock\/Super Stock cylinder heads are designed for use with 1968-87 429\/460 Fords and SVO 514 engine applications. The Edelbrock #61657 Performer RPM heads are perfect for street performance, daily drivers, street rods and muscle cars where seat-of-the-pants performance is needed. These cylinder heads deliver great throttle response and power from 1500 to 6500 rpm. They also feature the highest quality intake and exhaust valves and valve springs. For use on pre-pollution controlled vehicles only.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDescription_TRA\u003c\/td\u003e\n\u003ctd\u003eBare 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\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDescription_TRA\u003c\/td\u003e\n\u003ctd\u003eDeck thickness: 5\/8\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDescription_TRA\u003c\/td\u003e\n\u003ctd\u003eMachined profile Cobra Jet-style intake port entries\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDescription_TRA\u003c\/td\u003e\n\u003ctd\u003eMatch with Edelbrock head gasket sets.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDescription_TRA\u003c\/td\u003e\n\u003ctd\u003ePushrod diameter: 3\/8\" (width of slot in guide plate).\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDescription_TRA\u003c\/td\u003e\n\u003ctd\u003eRecommended spark plugs are Champion RC12YC or equivalent 14mm x 3\/4\" reach with flat gasket seat.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDescription_TRA\u003c\/td\u003e\n\u003ctd\u003eRocker stud diameter: 7\/16\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGrade Type\u003c\/td\u003e\n\u003ctd\u003ePerformance\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGuide Plates Included\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHead Casting Number\u003c\/td\u003e\n\u003ctd\u003e31-6067\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eheight\u003c\/td\u003e\n\u003ctd\u003e8.5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIntake Runner Volume\u003c\/td\u003e\n\u003ctd\u003e310.0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003elength\u003c\/td\u003e\n\u003ctd\u003e26.0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eAluminum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePush Rod Diameter\u003c\/td\u003e\n\u003ctd\u003e0.375\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRGL\u003c\/td\u003e\n\u003ctd\u003eWARNING: This product can expose you to Lead, which is known to the State of California to cause cancer or birth defects or other reproductive harm. For more information, visit www.P65warnings.ca.gov.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eweight\u003c\/td\u003e\n\u003ctd\u003e31.65\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ewidth\u003c\/td\u003e\n\u003ctd\u003e11.0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e","brand":"Edelbrock","offers":[{"title":"Default Title","offer_id":43088208167093,"sku":"ds_BDVJ_61657","price":1260.13,"currency_code":"CAD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0283\/1905\/5956\/files\/275042ddba048.jpg?v=1692421091","url":"https:\/\/www.truckpartsuperstore.ca\/products\/edelbrock-61657-engine-cylinder-head","provider":"Truck Part Superstore","version":"1.0","type":"link"}