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The MAHLE OE moly piston ring set for GM 3.7L LLR I5 engines (2010 and up) applies OE-driven development to reduce friction and ring mass while helping minimize engine oil consumption. MAHLE positions these rings as advanced piston ring technology intended to extend service life and meet demanding OE standards for efficiency and reliability without altering core engine design intent.
Mahle Rings GM 3.7L LLR I5 Eng 2010 - Up Moly Ring Set
