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The Mahle OE plasma moly steel top compression ring, 4.060 x 0.0625 in .190 RW, is specified for engines that require this diameter and section size. The plasma-moly coated steel top ring provides the sealing surface described for piston rebuilds and precision assembly tasks matching the 4.060-inch bore. This product targets rebuilders and machine shops needing exact dimension top rings for compatible engine applications.
Mahle Rings Performance Plasma Moly Steel Top Compression Ring 4.060 x .0625 .190 RW Moly Ring Set
