Mahle OE Rings Trk 330 Eng 64-78 Moly Ring Set for 1975-1977 Ford F-500

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.