The Mahle OE moly ring set is a bulk pack of performance plasma steel top rings sized 4.265 inches by 1.0 mm with .143 inch RW, finished with HVOF molybdenum coating. Supplied as a bulk quantity, these rings are intended for engine rebuilds where the listed size and surface treatment match the piston and bore specifications for proper sealing and wear management.
Mahle Rings Performance Plasma Steel Top Ring 4.265in x 1.0MM .143in RW HVOF Moly Ring Set