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Mahle OE Moly top ring set is a plasma steel top ring measured at 4.050 in diameter with 1.0 mm thickness and .143 in RW, treated with an HVOF moly coating. Packaged as a proper ring set for piston assemblies, the rings are intended for direct use in engine rebuilds and repairs where precise diameter and thickness matter. Use the specified dimensions to confirm correct fitment to matching bores.
Mahle Rings Performance Plasma Steel Top Ring 4.050in x 1.0MM .143in RW HVOF Moly Ring Set
