Mahle OE plasma-moly piston ring set for a 4.155-inch bore combines plasma-coated moly rings with a 3/16-inch profile and .043-inch thickness in a reduced radial tension, standard-tension configuration. The set is intended for direct replacement on compatible engines with the specified bore and provides the wear-resistant characteristics of plasma moly ring surfaces.
Mahle Rings 4.155in Bore .043in 3/16in Plasma Moly Duct Std Tension Reduced Radial Moly Ring Set