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The Mahle OE Performance Plasma Steel top ring set is a moly ring package sized 4.160 in with 1.0 mm thickness and .143 in RW, finished with HVOF moly. Built for precision sealing in engine rebuilds, this set combines a plasma steel top ring profile with moly face treatment to support reliable ring-to-cylinder contact and consistent combustion sealing in compatible applications.
Mahle Rings Performance Plasma Steel Top Ring 4.160in x 1.0MM .143in RW HVOF Moly Ring Set
