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Mahle file-fit piston ring set for a 4.045" +0.005" bore, supplied with two 0.043 in. rings and a 3.0 mm file-fit ring. This ring set is specified for precise sizing and finishing during assembly, delivering correct ring thicknesses for tight sealing and oil control. The concise sizing information helps builders match pistons and cylinders when planning a rebuild or performance refresh.
Mahle MS 4.045in+.005in .043in .043in 3.0mm File Fit Rings
