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This Mahle chrome ring set is specified for a 4.5000 bore diameter with a 3mm edge width and includes a CP20 low-tension oil ring. The chrome finish and low-tension design are intended to control oil consumption while maintaining sealing across the piston ring groove. It’s offered as an OE-style replacement for engine rebuilds where these bore and edge dimensions match original specifications.
Mahle Rings 4.5000 Bore Dia 3MM Edge Width CP20 Oil Ring Low Tension Chrome Ring Set
