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Mahle Performance Plasma Steel top ring set, 4.075" diameter, specified 1.0MM with .143" ring width and HVOF moly coating. The set provides a plasma‑steel top compression ring with HVOF moly surface treatment sized to the listed dimensions for piston top‑ring replacement in compatible engine applications.
Mahle Rings Performance Plasma Steel Top Ring 4.075in x 1.0MM .143in RW HVOF Moly Ring Set
