Mahle OE S42221 Mahle Rings Cummins B-Series Turbocharged Ceramic Chrome Top Ring Chrome Ring Set

Engine Piston 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.