The Mahle OE piston set for GM 4.2L DOHC 6-cylinder engines is supplied in standard size with mounted rings, wrist pins and clips ready for installation. Built to OE-quality standards, these pistons use compensated ring grooves and expansion-controlled designs to help ensure proper ring loading, oil control and reduced wear, offering a straightforward replacement for engine service or rebuilds.
Mahle OE GM 4.2L DOHC 6 CYL STD w/ PCR Piston With Rings Set (Set of 6)