Mahle Rings GMC Pass 350 5.7L Eng 86-89 GMC Trk 350 5.7L Eng 89-94 Plain 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.