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Mahle OE chrome ring set in Performance Grey Iron (BT-10UF) sized 4.0551 in with 2.0 mm top ring thickness and .178 in RW offers a direct replacement ring pack for precise bore and gap requirements. This chrome ring set is intended for piston rebuilds needing that specific diameter and ring profile, supporting proper seating and sealing when matched to the listed dimensions.
Mahle Rings Performance Grey Iron BT-10UF 4.0551in x 2.0MM .178in RW Chrome Ring Set
