{"product_id":"big-block-buick-400-455-engines-cylinder-heads-ede60049","title":"Performer RPM Bare Cylinder Head \u003cbr\u003e 67-74 Big Block Buick 400-455 engines","description":"\u003cb\u003eDescription:\u003c\/b\u003e\u003cbr\u003e\u003cbr\u003eThe Edelbrock 60049 Performer RPM Super Stock cylinder head is designed for 400, 430 and 455 c.i.d. Buick engines. This cylinder head includes adjustable rocker stud and guide plate set-up for use with small-block Chevy style adjustable 1.6:1 ratio rockers. The large 68cc combustion chambers produce 9.2:1 compression ratio with stock pistons. Performer RPM head is perfect for street performance, daily drivers, street rods and muscle cars where seat-of-the-pants performance is needed. This cylinder head delivers 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\u003cb\u003eSpecifics and Features:\u003c\/b\u003e\u003cbr\u003e\u003cbr\u003e\u003cli\u003eCamshaft Type: Flat Tappet\u003c\/li\u003e\n\u003cli\u003eCNC Ported: No\u003c\/li\u003e\n\u003cli\u003eConstruction Type: Complete\u003c\/li\u003e\n\u003cli\u003eDeck Thickness: 0.625 IN\u003c\/li\u003e\n\u003cli\u003eEGR Port: No\u003c\/li\u003e\n\u003cli\u003eExhaust Port Location: Standard\u003c\/li\u003e\n\u003cli\u003eExhaust Runner Volume: 130 CCM\u003c\/li\u003e\n\u003cli\u003eExhaust Valve Diameter: 1.75 IN\u003c\/li\u003e\n\u003cli\u003eFamily: Performer\u003c\/li\u003e\n\u003cli\u003eGuide Material: Manganese Bronze\u003c\/li\u003e\n\u003cli\u003eGuide Plate Material: Hardened Steel\u003c\/li\u003e\n\u003cli\u003eHorsepower: 400-500 HJ\u003c\/li\u003e\n\u003cli\u003eIntake Valve Diameter: 2.125 IN\u003c\/li\u003e\n\u003cli\u003ePush Rod Diameter: (Suggested) 0.375 IN\u003c\/li\u003e\n\u003cli\u003eQuantity: Sold Individually\u003c\/li\u003e\n\u003cli\u003eRetainer Included: Yes\u003c\/li\u003e\n\u003cli\u003eRocker Arm Stud Diameter: 0.375 IN\u003c\/li\u003e\n\u003cli\u003eSeat Angle: Exhaust 45 deg\/Intake 45 DD\u003c\/li\u003e\n\u003cli\u003eSeat Material: Ductile Iron\u003c\/li\u003e\n\u003cli\u003eSeries: Performer\u003c\/li\u003e\n\u003cli\u003eValve Angle: 15 DD\u003c\/li\u003e\n\u003cli\u003eValve Included: Yes\u003c\/li\u003e\n\u003cli\u003eValve Lock Material: Steel\u003c\/li\u003e\n\u003cli\u003eValve Spring Diameter: 1.55 IN\u003c\/li\u003e\n\u003cli\u003eValve Spring Maximum Lift: 0.600 IN\u003c\/li\u003e\n\u003cli\u003eValve Stem Diameter: 0.34375 IN\u003c\/li\u003e\u003cbr\u003e\u003cbr\u003e\u003cb\u003ePackage Includes:\u003c\/b\u003e\u003cbr\u003e\u003cbr\u003e\u003cli\u003eEdelbrock Buick Cylinder Head\u003c\/li\u003e\u003cbr\u003e\u003cbr\u003e\u003cb\u003eCompatible With:\u003c\/b\u003e\u003cbr\u003e\u003cbr\u003e\u003cli\u003e1971-1973 Buick Centurion\u003c\/li\u003e\n\u003cli\u003e1973-1974 Buick Century Regal\u003c\/li\u003e\n\u003cli\u003e1967-1974 Buick Electra Riviera\u003c\/li\u003e\n\u003cli\u003e1970-1974 Buick Estate Wagon LeSabre\u003c\/li\u003e\n\u003cli\u003e1967-1968,1970-1971 Buick Skylark\u003c\/li\u003e\n\u003cli\u003e1968-1969 Buick GS 400\u003c\/li\u003e\n\u003cli\u003e1970-1972 Buick GS 455\u003c\/li\u003e\n\u003cli\u003e1967-1970 Buick Wildcat\u003c\/li\u003e\n\u003cli\u003e1968-1970 Buick Sportwagon\u003c\/li\u003e\n\u003cli\u003e1967 Buick Gran Sport\u003c\/li\u003e\u003cbr\u003e\u003cbr\u003e","brand":"Edelbrock","offers":[{"title":"Default Title","offer_id":52773699158379,"sku":"EDE-60049","price":1595.5,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1961\/1987\/files\/EDE-60049-1.jpg?v=1768812176","url":"https:\/\/caautoparts.com\/products\/big-block-buick-400-455-engines-cylinder-heads-ede60049","provider":"CA Auto Parts","version":"1.0","type":"link"}