Quick view Mahle OE Mahle Rings Ford Trk 445 7.3L Turbo Diesel DI/IDI Navistar 96-98 Moly Ring Set - 41768 Compare $943.99 MAHLE Original 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 Original piston rings... Add to Cart Add to Cart