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The Mahle OE moly ring set is a piston ring assembly featuring a moly ductile top ring sized at 3.8090 inches with a 1.5 mm edge width. Supplied as a ring set, it is intended for engine rebuilds or replacement where the specified dimensions are required. The description identifies the moly top ring construction and exact sizing so installers can confirm fit for compatible engine applications.
Mahle Rings 3.8090in X 1.5MM Edge Width Moly Ductile Top Ring Moly Ring Set
