Multiple U.S. Warehouse LocationsBroken ApexFree shipping on qualified orders over $100*
Mahle Performance Plasma Steel top ring set, 4.090" diameter, specified 1.0MM with .143" ring width and HVOF moly coating. This top compression ring set uses plasma steel construction with a high‑velocity oxygen fuel (HVOF) moly surface treatment, provided as a replacement top ring sized to the listed dimensions for compatible engine piston applications.
Mahle Rings Performance Plasma Steel Top Ring 4.090in x 1.0MM .143in RW HVOF Moly Ring Set
