{"product_id":"edelbrock-60489-engine-cylinder-head","title":"Edelbrock 60489 Engine Cylinder Head","description":"The Edelbrock #60489 Performer Bare High Compression Cylinder Heads are designed for Big-Block Chevy Oval Port V8 applications. These Edelbrock Performer Series Cylinder heads are 50-state street legal and provide outstanding performance from Idle-5,500 RPM's. The Edelbrock Performer heads are perfect for street performance, daily drivers, street rods and muscle cars where seat-of-the-pants performance is needed. They also feature the highest quality intake and exhaust valves and valve springs.\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\u003e100.0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDeck Thickness\u003c\/td\u003e\n\u003ctd\u003e0.562\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\u003eChevrolet:Big-Block Mark IV:396 (6.6L)\/402 (6.6L)\/427 (7.0L)\/454 (7.4L)\/502 (8.2L)\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\u003eThe Edelbrock #60489 Performer Bare High Compression Cylinder Heads are designed for BB Chevy Oval Port V8 engines. The Performer heads are perfect for street performance, daily drivers and muscle cars where more performance is needed.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDescription_INV\u003c\/td\u003e\n\u003ctd\u003eEdelbrock BBC Cylinder Head\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDescription_LAB\u003c\/td\u003e\n\u003ctd\u003ePerformer Big-Block Chevy Oval Port Hydraulic Flat Tappet Springs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDescription_MKT\u003c\/td\u003e\n\u003ctd\u003eThe Edelbrock #60489 Performer Bare High Compression Cylinder Heads are designed for Big-Block Chevy Oval Port V8 applications. These Edelbrock Performer Series Cylinder heads are 50-state street legal and provide outstanding performance from Idle-5,500 RPM's. The Edelbrock Performer heads are perfect for street performance, daily drivers, street rods and muscle cars where seat-of-the-pants performance is needed. They also feature the highest quality intake and exhaust valves and valve springs.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDescription_TRA\u003c\/td\u003e\n\u003ctd\u003e#60489 Intake entry and exhaust exists are not profiled\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDescription_TRA\u003c\/td\u003e\n\u003ctd\u003e100cc semi-open chamber cylinder heads feature a 1-1\/2 Deg rolled over (angle milled) design that improves intake port alignment and provides a smaller combustion chamber without shrouding the valves\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDescription_TRA\u003c\/td\u003e\n\u003ctd\u003e8.8:1 compression ratio when used on 1987-95 TBI-equipped 7.4L dished piston engines\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDescription_TRA\u003c\/td\u003e\n\u003ctd\u003e9.2:1 compression with flat-top pistons for an outstanding high Performance's street head\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 \u0026amp; 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\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\u003ePerformer 454-O are 50-state street legal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDescription_TRA\u003c\/td\u003e\n\u003ctd\u003ePerformer applications include heat crossover passage for emissions related engines\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDescription_TRA\u003c\/td\u003e\n\u003ctd\u003eRecommended spark plugs 14mm x 3\/4\" reach with flat gasket seat (Champion RC12YC)\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 Plate Material\u003c\/td\u003e\n\u003ctd\u003eHardened Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGuide Plates Included\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHead Casting Number\u003c\/td\u003e\n\u003ctd\u003e31-6045\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eheight\u003c\/td\u003e\n\u003ctd\u003e8.6\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIntake Runner Volume\u003c\/td\u003e\n\u003ctd\u003e290.0\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\u003eValve Angle\u003c\/td\u003e\n\u003ctd\u003e26\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eweight\u003c\/td\u003e\n\u003ctd\u003e36.7\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":43088205971637,"sku":"ds_BDVJ_60489","price":1228.65,"currency_code":"CAD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0283\/1905\/5956\/files\/8205b9e7a857e.jpg?v=1692420923","url":"https:\/\/www.truckpartsuperstore.ca\/products\/edelbrock-60489-engine-cylinder-head","provider":"Truck Part Superstore","version":"1.0","type":"link"}