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The Mahle Performance Plasma Moly top ring set is a single-ring piston ring offering a high-heat-resistant moly-faced top ring in 3.385in diameter with a 1.0mm thickness and .143in RW profile. Produced for demanding engine builds, this ring set provides a durable sealing surface suitable for engines requiring a plasma-moly top ring specification in rebuild or performance applications.
Mahle Rings Performance Plasma Moly Steel HV385 Top Ring 3.385in x 1.0MM .143in RW Moly Ring Set
