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The Mahle OE moly piston ring set is listed for GMC passenger and truck 3.1L VIN J engines covering 1999–2003. Mahle’s OE-focused design reduces friction and ring mass while minimizing oil consumption to promote longer service life. These moly rings are specified for rebuilds and repairs on the stated 3.1L VIN J engines where OE-style sealing and longevity are priorities.
Mahle Rings GMC Pass & Trk 3.1L VIN J 1999-2003 Moly Ring Set
