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Mahle OE Moly top ring set is a plasma steel top ring at 4.020 in diameter with 1.0 mm thickness and .143 in RW, featuring an HVOF moly finish. Sold as a ring set intended for piston assemblies, the dimensional detail assists in matching rings to the appropriate cylinder bore for rebuilds and service. Confirm bore measurements before installation to ensure correct end gap and fitment.
Mahle Rings Performance Plasma Steel Top Ring 4.020in x 1.0MM .143in RW HVOF Moly Ring Set
