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Performer RPM heads with straight plugs, 70cc chambers and natural finish fits Chevrolet small-block 302-400 (up to 1986) with perimeter bolt valve covers.
Part Number: H77
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Performer RPM heads with straight plugs, 70cc chambers and natural finish fits Chevrolet small-block 302-400 (up to 1986) with perimeter bolt valve covers.
This is Edelbrock's top-of-the-line street head. They use standard 90o angle intake bolts and hardened pushrods are required. Features straight plugs, hardened, interlocking valve seats, and hardened pushrod guide plates. Fully assembled. Sold as a pair. For off-road use only.
Chamber size: 70cc
Valve sizes: 2.02" intake, 1.60" exhaust
Valve springs: 1.450" diameter, will accept valve lifts to 0.575"
NOTE: Use head bolt kit HB45 or B8551 w/Edelbrock cylinder heads.
Valve sizes: 2.02" intake, 1.60" exhaust
Valve springs: 1.450" diameter, will accept valve lifts to 0.575"
NOTE: Use head bolt kit HB45 or B8551 w/Edelbrock cylinder heads.

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