{"product_id":"cylinder-heads-ede60985","title":"Engine Cylinder Head \u003cbr\u003e Small-Block Chevy","description":"\u003cb\u003eDescription:\u003c\/b\u003e\u003cbr\u003e\u003cbr\u003eThe Edelbrock 60985 E-Tec cylinder head is replacements for 302, 327, 350 \u0026amp; 400 c.i.d. S\/B Chevy engines with Vortec-style manifolds. They feature an LT1-style raised runner intake port design for increased air-flow and ultimate performance. A unique combustion chamber design positions the spark plug closer to the center of the cylinder, promoting a more efficient combustion resulting in more power. This head includes an adjustable rocker stud and guide plate set-up for use with adjustable rockers or washers to properly position the stud height to accommodate factory style self-aligning rocker arms. They have 20% more exhaust flow than a cast iron Vortec head, great performance up to 6000 rpm and can produce 9.5:1 compression with stock pistons in 350 cubic-inch engines. RPM E-Tec cylinder head is dual-drilled and will accept 1987-95 center bolt and\/or 1986 \u0026amp; prior perimeter flange mount valve covers and most stock exhaust manifolds.\u003cbr\u003e\u003cbr\u003e\u003cb\u003eSpecifics and Features:\u003c\/b\u003e\u003cbr\u003e\u003cbr\u003e\u003cli\u003eCamshaft Type: Hydraulic Roller\u003c\/li\u003e\n\u003cli\u003eCNC Ported: No\u003c\/li\u003e\n\u003cli\u003eCombustion Chamber Volume: 64 CCM\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: 80 CCM\u003c\/li\u003e\n\u003cli\u003eExhaust Valve Diameter: 1.60 IN\u003c\/li\u003e\n\u003cli\u003eFamily: E-Tec\u003c\/li\u003e\n\u003cli\u003eGrade Type: Performance\u003c\/li\u003e\n\u003cli\u003eGuide Material: Manganese Bronze\u003c\/li\u003e\n\u003cli\u003eGuide Plate Material: Hardened Steel\u003c\/li\u003e\n\u003cli\u003eGuide Plates Included: Yes\u003c\/li\u003e\n\u003cli\u003eHead Casting Number: N\/A\u003c\/li\u003e\n\u003cli\u003eHorsepower: 350-500 HJ\u003c\/li\u003e\n\u003cli\u003eIntake Runner Volume: 200 CCM\u003c\/li\u003e\n\u003cli\u003eIntake Valve Diameter: 2.02 IN\u003c\/li\u003e\n\u003cli\u003eMaterial: Aluminum\u003c\/li\u003e\n\u003cli\u003ePush Rod Diameter: (Suggested) 0.625 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\u003eRotor Center Bore Inside Diameter: Straight\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: E-Tec\u003c\/li\u003e\n\u003cli\u003eValve Angle: 23 DD\u003c\/li\u003e\n\u003cli\u003eValve Included: Yes\u003c\/li\u003e\n\u003cli\u003eValve Spring Diameter: 1.46 IN\u003c\/li\u003e\n\u003cli\u003eValve Spring Maximum Lift: 0.575 IN\u003c\/li\u003e\n\u003cli\u003eValve Springs Included: Yes\u003c\/li\u003e\n\u003cli\u003eValve Stem Diameter: 0.3438 IN\u003c\/li\u003e\u003cbr\u003e\u003cbr\u003e\u003cb\u003ePackage Includes:\u003c\/b\u003e\u003cbr\u003e\u003cbr\u003e\u003cli\u003eEdelbrock SBC Cylinder Head\u003c\/li\u003e\u003cbr\u003e\u003cbr\u003e","brand":"Edelbrock","offers":[{"title":"Default Title","offer_id":52773608161643,"sku":"EDE-60985","price":975.5,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1961\/1987\/files\/EDE-60985-1.jpg?v=1768812789","url":"https:\/\/caautoparts.com\/products\/cylinder-heads-ede60985","provider":"CA Auto Parts","version":"1.0","type":"link"}