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The Mahle OE plain top compression ring set is specified as a cast claimer top compression ring in a plain-ring configuration sized 3.8000 in x 5/64 in. Supplied as a set for a 3.8000-inch bore and 5/64-inch ring width, this OEM-style plain compression ring serves as the top sealing ring in typical piston assemblies and is intended for use where the manufacturer's plain top ring specification is required.
Mahle Rings 3.8000in X 5/64in Cast Claimer Top Compression Ring Plain Ring Set
