MAHLE moly piston ring set for GMC passenger 3.1L six-cylinder engines, intended for 1996–2002 VIN code M and J applications. MAHLE positions these rings as advanced OE-driven technology focused on reducing friction and ring mass, minimizing oil consumption, and extending service life. Sold as a replacement ring set, they aim to restore sealing efficiency during engine rebuilds.
Mahle Rings GMC Pass 3.1L 6 Cyl Eng 1996-2002 VIN Code M & J Moly Ring Set