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Mahle OE chrome piston ring set for a 4.001 in bore, featuring CP20 low-tension rings and 2.5 mm oil rings. This chrome ring set is specified by bore size and ring type to restore proper sealing and oil control during engine operation. Intended as a direct-fit OE-style replacement, it suits rebuilds where the listed bore and ring dimensions match the engine requirements.
Mahle Rings 4.001in Bore CP20 Low Tension 2.5MM Oil Rings Chrome Ring Set
