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Mahle OE chrome ring set in Performance Grey Iron (BT-10UF) is specified at 4.0748 in with 2.0 mm top ring thickness and .178 in RW fit. This chrome ring set suits piston rebuilds that require the exact listed size and material profile. Use these rings when matching specified bore and ring gap dimensions during engine assembly or replacement work.
Mahle Rings Performance Grey Iron BT-10UF 4.0748in x 2.0MM .178in RW Chrome Ring Set
