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Mahle Performance moly top ring set is a plasma-moly coated top ring available in 3.937" diameter with a .0935 cross-section and .184" second ring spec as listed. Built for performance rebuilds, the moly surface aids break-in and wear resistance compared with plain cast rings. These rings fit matching bore and ring gap specifications for high-performance assemblies where proper sizing and ring finish matter.
Mahle Rings Performance 3.937in x .0935 .184in RW Plasma Moly Top Ring Moly Ring Set
