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The Mahle OE HV385 plasma moly top piston ring is a performance-grade replacement specified at 3.346 inches with a 1.0mm face and .143in RW. Made to Mahle OE tolerances, this plasma moly steel ring is intended for precise sealing in high-demand applications where original-equipment fit and reliable combustion control are required. It suits rebuilds and performance engine assemblies.
Mahle Rings Performance Plasma Moly Steel HV385 Top Ring 3.346in x 1.0MM .143in RW Moly Ring Set
