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The Mahle OE moly ring set is a piston ring kit specified for a 4.0750" bore with a 1.2 mm edge width and a steel plasma moly top ring finish. These moly-coated rings are intended to help maintain compression and control oil in engines that match the listed bore and ring dimensions. They are suitable for routine rebuilds where the listed bore and ring specifications align with OEM tolerances.
Mahle Rings 4.0750 Bore Dia 1.2MM Edge Width Steel Plasma Moly Top Ring Moly Ring Set
