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Mahle Plasma Moly steel top compression ring set, sized 4.250" x .0625" x .190" RW, is provided for piston sealing in compatible engine rebuilds. These plasma moly rings are specified to the listed dimensions and intended for professional or performance engine assembly work where the correct ring sizing and material properties are required.
Mahle Rings Plasma Moly Steel Top Compression Ring 4.250in x .0625in .190in RW Moly Ring Set
