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MAHLE OE cast piston set for GM 4.2L engines (2006–2009), 0.25mm oversize, delivers OE-quality features such as compensated ring grooves and expansion-controlled designs to improve oil control, reduce noise, wear and emissions. Pistons are supplied ready for installation with mounted rings plus wrist pins and clips included for engine-builder convenience. MAHLE pistons match factory specifications.
Mahle OE GM 4.2L 06-09 0.25MM Piston Set (Set of 6)
