The Mahle plain top compression ring set is specified as a 3.8300 inch diameter top compression ring with a 5/64 inch section and a cast claimer profile, supplied as a plain ring set for direct replacement. Intended for piston rebuilds or service where the listed bore and ring section are required, this set restores the compression ring sealing surface without asserting materials or performance beyond the provided dimensions.
Mahle Rings 3.8300in X 5/64in Cast Claimer Top Compression Ring Plain Ring Set