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The Mahle OE moly ring set for GMC 3.1L VIN J engines (1999–2003) applies MAHLE’s OE-driven piston ring design to those model years. MAHLE rings are developed to reduce friction and ring mass while minimizing oil consumption and supporting extended service life. This moly ring set provides the replacement rings specified for the noted engine and years.
Mahle Rings GMC 3.1L VIN J 1999-2003 Moly Ring Set
