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Mahle Performance Plasma Steel top ring set, 4.085" diameter, listed as 1.0MM with .143" ring width and HVOF moly coating. The set supplies a plasma steel top ring finished with HVOF molybdenum for the specified size, intended as the top compression ring replacement where these dimensions are required for piston sealing and wear characteristics.
Mahle Rings Performance Plasma Steel Top Ring 4.085in x 1.0MM .143in RW HVOF Moly Ring Set
