Mahle Plasma Moly steel top compression ring set, sized 4.255" x .0625" x .190" RW, is supplied as a complete ring set for piston sealing applications. These plasma moly rings are intended for engine rebuilds and repairs where the specified dimensions are required, offered as a single set suitable for the correct piston diameter and ring groove dimensions.
Mahle Rings Plasma Moly Steel Top Compression Ring 4.255in x .0625in .190in RW Moly Ring Set