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Performer RPM heads are perfect for street performance, daily drivers, street rods and muscle cars where seat-of-the-pants performance is needed. These heads give great torque and horsepower up to 6500 rpm.
Combustion chamber
volume: 65cc
Intake runner volume:
171cc
Exhaust runner volume:
77cc
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: 1.46"
Valve spring maximum
lift: .575"
Rocker stud:
N/A
Guide plate:
N/A
Pushrod diameter:
5/16"
Valve Angle:
18°
Exhaust port location:
Stock
Spark plug fitment:
14mm x 3/4" reach, gasket
seat
Made In:
USA