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Mahle OE plasma-moly top ring set specified at 4.180 inches with a 1.5mm thickness and .151 ring width offers a durable moly-coated top ring for engine rebuilds and performance replacements. Intended for bore and specification-matched applications, this top ring material supports wear resistance and sealing longevity where a moly steel top ring is required.
Mahle Rings Performance 4.180in x 1.5MM .151 RW Plasma-Moly Steel Top Ring Moly Ring Set
