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The Mahle plasma moly steel top compression ring set is specified as a 4.630-inch diameter, .0625-inch section, with a .190-inch RW moly top compression ring configuration. It is offered as an OE-style moly ring set intended for engine rebuilds where factory-equivalent ring dimensions and materials are required for piston sealing and compression duties.
Mahle Rings Plasma Moly Steel Top Compression Ring 4.630in x .0625in .190in RW Moly Ring Set
