The Mahle OE moly ring set includes a moly-clad top compression ring sized 4.2800 in with a 5/64 in edge width, intended for use in piston rebuilds requiring a moly top ring. Mahle OE parts are produced to OE-style dimensions and tolerances, making this set suitable for engine reconditioning where a moly top compression ring is specified by the build or service procedure.
Mahle Rings 4.2800in X 5/64in Moly Claimer Top Compression Ring Moly Ring Set