Description
Small Block Chevy Diamond Pistons are lightweight inboard pin boss forged pistons for maximum acceleration. They fit most 23 Degree cylinder heads, are for applications up to 500 hp. High strength 2618 alloy. side gas ports for better ring seal. Shallow valve pockets for maximum compression, and will also work with a 3.500 stroke. Ratios are configured for .010″ deck height @ 9.000″. Standard .043″ x .043″ x 3mm ring package (Rings not Included). Premium 8620 chamfered wrist pins for roundwire type locks are included. Gasket volume = 9.0cc, top ring down= .160″, valve relief depths = .260″ intake and .169″ exhaust.
Compression Ratio with 60cc Heads 10.8:1
Compression Ratio with 64cc Heads 10.3:1
Compression Ratio with 70cc Heads 9.6:1
Advertised piston weight 323 grams.
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