{"product_id":"small-block-chevy-engines-302-400-engines-cylinder-heads-ede60975","title":"Engine Cylinder Head \u003cbr\u003e Small Block Chevy 302-400 (4.9-6.6L) Engines","description":"\u003cb\u003eDescription:\u003c\/b\u003e\u003cbr\u003e\u003cbr\u003eThe Edelbrock 60975 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 cylinder 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 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. E-Tec 170 head is 50-state street legal.\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\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: 70 CCM\u003c\/li\u003e\n\u003cli\u003eExhaust Valve Diameter: 1.55 IN\u003c\/li\u003e\n\u003cli\u003eFamily: E-Tec\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: 350-450 HJ\u003c\/li\u003e\n\u003cli\u003eIntake Valve Diameter: 1.94 IN\u003c\/li\u003e\n\u003cli\u003ePush Rod Diameter: (Suggested) 0.3125 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\u003eSeries: E-Tec\u003c\/li\u003e\n\u003cli\u003eValve Angle: 23 DD\u003c\/li\u003e\n\u003cli\u003eValve Lock Material: Steel\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 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\u003cb\u003eCompatible With:\u003c\/b\u003e\u003cbr\u003e\u003cbr\u003e\u003cli\u003e1977-1979 Buick Century Skylark\u003c\/li\u003e\n\u003cli\u003e1977 Buick Regal\u003c\/li\u003e\n\u003cli\u003e1992-1993 Buick Roadmaster Commercial Chassis\u003c\/li\u003e\n\u003cli\u003e1962-1975 Chevrolet Bel Air\u003c\/li\u003e\n\u003cli\u003e1975-1986 Chevrolet K5 Blazer C20 C30 G30 K10 K20 G10 G20\u003c\/li\u003e\n\u003cli\u003e1975-1980,1982-1986 Chevrolet C10\u003c\/li\u003e\n\u003cli\u003e1967-1986 Chevrolet C10 Suburban C20 Suburban K20 Suburban K10 Suburban\u003c\/li\u003e\n\u003cli\u003e1967-1981 Chevrolet Camaro\u003c\/li\u003e\n\u003cli\u003e1966-1980,1985-1986 Chevrolet Caprice\u003c\/li\u003e\n\u003cli\u003e1962-1982,1984-1986 Chevrolet Corvette\u003c\/li\u003e\n\u003cli\u003e1962-1985 Chevrolet Impala\u003c\/li\u003e\n\u003cli\u003e1977-1986 Chevrolet K30\u003c\/li\u003e\n\u003cli\u003e1969-1979 Chevrolet Nova\u003c\/li\u003e\n\u003cli\u003e1975-1978 GMC C25 C25 Suburban C35 G15 G25 K15 K15 Suburban K25 K25 Suburban C15 C15 Suburban G35\u003c\/li\u003e\n\u003cli\u003e1979-1986 GMC C2500 C2500 Suburban C3500 G1500 G2500 K1500 K1500 Suburban K2500 K2500 Suburban K3500 C1500 C1500 Suburban\u003c\/li\u003e\n\u003cli\u003e1977-1978 GMC K35\u003c\/li\u003e\n\u003cli\u003e1978-1979 Oldsmobile Cutlass\u003c\/li\u003e\n\u003cli\u003e1978 Oldsmobile Cutlass Supreme\u003c\/li\u003e\n\u003cli\u003e1975,1977 Oldsmobile Delta 88 Custom Cruiser\u003c\/li\u003e\n\u003cli\u003e1972,1975 Pontiac Bonneville Grandville\u003c\/li\u003e\n\u003cli\u003e1975 Pontiac Catalina Grand Am\u003c\/li\u003e\n\u003cli\u003e1972,1978-1979 Pontiac Firebird\u003c\/li\u003e\n\u003cli\u003e1975,1978-1979 Pontiac LeMans Grand LeMans\u003c\/li\u003e\n\u003cli\u003e1977-1979 Pontiac Phoenix\u003c\/li\u003e\n\u003cli\u003e1962-1972 Chevrolet Biscayne\u003c\/li\u003e\n\u003cli\u003e1969-1974 Chevrolet Blazer\u003c\/li\u003e\n\u003cli\u003e1969-1972 Chevrolet Brookwood Kingswood Townsman\u003c\/li\u003e\n\u003cli\u003e1966-1974 Chevrolet C10 Pickup K20 Pickup C20 Pickup K10 Pickup C30 Pickup\u003c\/li\u003e\n\u003cli\u003e1964-1973 Chevrolet Chevelle\u003c\/li\u003e\n\u003cli\u003e1965-1968 Chevrolet Chevy II\u003c\/li\u003e\n\u003cli\u003e1964-1979 Chevrolet El Camino\u003c\/li\u003e\n\u003cli\u003e1968-1974 Chevrolet K30 Pickup\u003c\/li\u003e\n\u003cli\u003e1970-1977 Chevrolet Monte Carlo\u003c\/li\u003e\n\u003cli\u003e1967,1974 GMC G25\/G2500 Van G15\/G1500 Van\u003c\/li\u003e\n\u003cli\u003e1970-1974 GMC G35\/G3500 Van\u003c\/li\u003e\n\u003cli\u003e1970-1986 GMC Jimmy\u003c\/li\u003e\n\u003cli\u003e1967-1974 GMC K15\/K1500 Pickup K15\/K1500 Suburban K25\/K2500 Pickup K25\/K2500 Suburban C15\/C1500 Pickup C15\/C1500 Suburban C25\/C2500 Pickup C25\/C2500 Suburban C35\/C3500 Pickup\u003c\/li\u003e\n\u003cli\u003e1968-1974 GMC K35\/K3500 Pickup\u003c\/li\u003e\n\u003cli\u003e1957-1959 GMC Truck PM151 PM152\u003c\/li\u003e\n\u003cli\u003e1975,1978-1981 Chevrolet Malibu\u003c\/li\u003e\n\u003cli\u003e1979-1988 GMC G3500\u003c\/li\u003e\n\u003cli\u003e1975-1976 Pontiac Grand Prix\u003c\/li\u003e\n\u003cli\u003e1977 Pontiac Ventura\u003c\/li\u003e\n\u003cli\u003e1972 Pontiac Grand Safari\u003c\/li\u003e\n\u003cli\u003e1962-1969 Pontiac Strato-Chief\u003c\/li\u003e\n\u003cli\u003e1977-1979 Oldsmobile Omega\u003c\/li\u003e\n\u003cli\u003e1974 Chevrolet G10 Van G30 Van\u003c\/li\u003e\n\u003cli\u003e1970-1974 Chevrolet G20 Van\u003c\/li\u003e\n\u003cli\u003e1975-1979 Checker Marathon\u003c\/li\u003e\n\u003cli\u003e1978-1979 GMC Caballero\u003c\/li\u003e\n\u003cli\u003e1971-1977 GMC Sprint\u003c\/li\u003e\n\u003cli\u003e1962-1969,1972-1974,1976,1978-1979 Pontiac Laurentian\u003c\/li\u003e\n\u003cli\u003e1965-1971,1973-1974,1976-1980 Avanti II\u003c\/li\u003e\n\u003cli\u003e1966 Chevrolet Suburban\u003c\/li\u003e\n\u003cli\u003e1965-1968 Pontiac Acadian\u003c\/li\u003e\n\u003cli\u003e1958-1959 GMC 100 150 250 300 350-8 370 PM251 F350 F370 FM340 FM350 M300 PM150 PM250 S300 S370\u003c\/li\u003e\n\u003cli\u003e1962-1969,1972-1974 Pontiac Parisienne\u003c\/li\u003e\n\u003cli\u003e1964-1968 Pontiac Beaumont\u003c\/li\u003e\n\u003cli\u003e1967 Chevrolet K20 Panel\u003c\/li\u003e\n\u003cli\u003e1957,1959 GMC PM153\u003c\/li\u003e\n\u003cli\u003e1958 GMC PM252 PM253\u003c\/li\u003e\n\u003cli\u003e1969-1970 Chevrolet Estate\u003c\/li\u003e\n\u003cli\u003e1986-1989 Excalibur Phaeton\u003c\/li\u003e\u003cbr\u003e\u003cbr\u003e","brand":"Edelbrock","offers":[{"title":"Default Title","offer_id":52773685428587,"sku":"EDE-60975","price":1124.5,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1961\/1987\/files\/EDE-60975-1.jpg?v=1768812777","url":"https:\/\/caautoparts.com\/products\/small-block-chevy-engines-302-400-engines-cylinder-heads-ede60975","provider":"CA Auto Parts","version":"1.0","type":"link"}