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This MAHLE moly piston ring set is specified for GM 4.2L inline-six engines from 2003–2005. MAHLE piston rings focus on OE-driven objectives: reducing friction and ring mass, minimizing engine oil consumption, and extending service life compared with earlier ring designs. The set reflects MAHLE’s advanced ring engineering intended to support reliable operation and improved efficiency in the listed engine applications.
Mahle Rings GM 4.2L I6 2003-2005 Moly Ring Set
