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The Mahle moly piston ring set for GM 4.2L inline-six (2003–2005) applies advanced OE-driven ring technology to reduce friction and ring mass while minimizing oil consumption for longer service life. MAHLE positions these rings as leading piston ring technology intended to meet OE requirements and deliver durable ring performance for the specified engines.
Mahle Rings GM 4.2L I6 2003-2005 Moly Ring Set
