The Mahle OE moly ring set is specified for a 3.6220 in bore with a 1.5 mm edge width and is described as a moly ductile top ring. Packaged as a piston ring set, it’s intended for engine rebuild or replacement work where precise ring dimensions matter. Mahle OE branding indicates OE-focused manufacturing and fitment intent; use this set to match engine build specifications requiring that bore and edge width.
Mahle Rings 3.6220in X 1.5MM Edge Width Moly Ductile Top Ring Moly Ring Set