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Mahle plasma-moly steel top compression ring set is sized 4.625 inches with a .0625-inch thickness and .190-inch RW specification. These ring sets are intended for precise piston sealing and wear resistance where plasma-moly metallurgy is specified. Use as a matched set during engine rebuilds to restore compression control and reduce oil consumption in compatible high-quality builds.
Mahle Rings Plasma Moly Steel Top Compression Ring 4.625in x .0625in .190in RW Moly Ring Set
