- Engines & Components
- Cylinder Heads
- Edelbrock AMC Performer & Performer RPM Aluminum Cylinder Heads
These street high-performance heads provide out-of-the-box, bolt-on power for AMC muscle cars and Jeep V8s. They offer improved power throughout the rpm range for great throttle response and top-end horsepower. The intake and exhaust runners are CNC-profiled for superior flow and the efficient 54cc dual-quench combustion chamber produces around a 9.5:1 compression ratio in 401 V8s with stock style pistons. Hardened valve seats are compatible with any fuel and a 45° intake seat angle (stock is 30°) offers improved mid- to high-lift flow. A direct bolt-on for 1970 and later engines with 1/2'' head bolts, these heads include step-dowel pins for pre-1970 engines. They feature 2.02'' Intake and 1.60'' Exhaust valves with under-cut 11/32'' stems.
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An Edelbrock Step Washer Kit is available for use with 1969 and earlier engines with 7/16'' head bolts. Dyno-matched Edelbrock Performer, Performer RPM and RPM Air-Gap manifolds are available to complete your AMC power package. All Edelbrock heads are sold individually. Made In The USA!
Features:
- Combustion Chamber Volume: 54cc
- Intake Runner Volume: 185cc
- Exhaust Runner Volume: 70cc
- Intake Valve Diameter: 2.02"
- Exhaust Valve Diameter: 1.60"
- Valve Stem Diameter: 11/32"
- Valve Guides: Manganese Bronze
- Deck Thickness: 5/8"
- Valve Spring Diameter: 1.55"
- Valve Spring Maximum Lift: .580"
- Rocker Stud: 3/8"
- Guideplate: Hardended Steel
- Pushrod Diameter: 5/16"
- Valve Angle: 18°
- Exhaust Port Location: Stock
- Spark Plug Fitment: 14mm x 3/4 Reach, Gasket Seat
- Made In The USA!