The Mahle OE moly piston ring set fits GMC passenger and Opel 3.0L V6 VIN R engines covering 1997–2004 according to the listing. Mahle’s OE-driven rings target reduced friction and ring mass while minimizing oil consumption to extend service life. These moly rings are specified for rebuilds and repairs where OE-level sealing and longevity are important for the 3.0L V6 VIN R applications.
Mahle Rings GMC Pass & Opel 3.0L V6 VIN R 1997-2004 Moly Ring Set