The Mahle OE moly ring set is a ductile plasma-moly piston ring kit sized for a 4.045 in bore with 1.5mm and 3.0mm ring widths plus a low-tension oil ring. Suited to engine rebuilds and replacements, it restores compression sealing and oil control to OE-style dimensions. Verify bore compatibility and follow manufacturer installation and break-in guidance for correct seating.
Mahle Rings Ductile Plasma Moly 1.5 3.0MM x 4.045in Low Tension Oil Ring Engine Set Moly Ring Set