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 factory testedfor 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 Piston Rings
Part number: 12524294
Bore Size: 4.470"
Oversize: +.030"
Ring Thicknesses: 5/64", 1/16", 3/16"
Description: Oversize low-tension ring pack for all 502 engines