Mahle OE plasma steel top ring set is specified for a 4.165-inch bore with a 1.0mm top ring and .143-inch radial width, supplied as a performance moly ring set. These rings are intended for high-quality engine rebuilds where matching bore dimension and material properties are required. The set suits engine reconditioning tasks that call for plasma-coated top rings and precise ring geometry.
Mahle Rings Performance Plasma Steel Top Ring 4.165in x 1.0MM .143in RW HVOF Moly Ring Set