Mahle OE moly ring set provides top piston rings with a plasma-moly coating sized for a 4.1400 bore and a 1.2mm edge width. Sold as a ring set, these rings are intended as OE-replacement components for engine rebuilds where the specified bore and ring dimensions match the application. They present a standard repair option for maintaining sealing and combustion chamber integrity.
Mahle Rings 4.1400 Bore Dia 1.2MM Edge Width Steel Plasma Moly Top Ring Moly Ring Set