Mahle Rings GMC Pass 121 2.0L Eng 87-89 GMC Pass 134 2.2L Eng 90-93 Moly Ring Set

MAHLE(R) piston rings are the most technically advanced piston rings in the industry. Driven by OE requirements; reducing friction and ring mass while minimizing engine oil consumption, and providing longer service life. MAHLE piston rings lead the industry for the latest piston ring technology.