The MAHLE plain piston ring set is a OE-level replacement for GMC passenger 121 2.0L OHC engines built 1987–1994. MAHLE piston rings are engineered to meet OE goals for reduced friction, lower ring mass and controlled oil consumption, offering long service life and up-to-date ring technology for routine rebuilds and engine maintenance.
Mahle Rings GMC Pass 121 2.0L OHC Eng 87-94 Plain Ring Set