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: 12533507
Engine Size: 502
Bore Size: 4.470"
Rod Length: 6.135"
Pin Type: Pressed
Compression Ratio: 8.75:1
Chamber Size: 118cc
Ring Size: 5/64", 1/16", 3/16"
Description: Forged Gen V and Gen VI 502 replacement