Pistons and piston Rings
Pistons and rings operate in a very explosive environment, so they have to be extremely tough. Chevrolet Performance pistons and rings are designed to withstand the rigors of high-performance engines. The pistons are factorytested for quality assurance. Chevrolet Performance pistons are sold in a variety of sizes and compression ratios. There are pistons for GM Big-Block engines ranging in displacement from 427 cubic inches to 572 cubic inches. Pistons are sold individually and are fitted with wrist pins.

NOTE: Part numbers are for one piston; order eight per engine.

Big-Block Pistons
Part Number: 88962925
Engine Size: 572
Bore Size: 4.560"
Rod Length: 6.535"
Pin Type: Floating
Compression Ratio: 9.6:1
Chamber Size: 118cc
Ring Size: 1/16", 1/16", 3/16"
Description: Forged 572/620