Mahle Rings Navistar Int Truck V304 V304A V304E V345 V345E 3.875in Bore Sleeve Assy Ring Set

MAHLE® 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.