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Mahle OE moly top compression ring set is a direct replacement ring pack sized 4.3900in x 5/64in intended for rebuild or overhaul use. Compression rings seal combustion and help maintain correct piston-to-cylinder contact; moly-faced rings are commonly specified where reduced break-in wear and reliable sealing are priorities. Supplied as a ring set for OE-style applications, it supports restoring proper engine compression during assembly.
Mahle Rings 4.3900in X 5/64in Moly Claimer Top Compression Ring Moly Ring Set
