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Mahle file-fit piston ring set matched to a 4.530" bore (+0.005") with a 1/16, 1/16, 3/16 ring pack. Built as a straightforward replacement for engine rebuilds, the set supplies standard top and second ring thicknesses alongside a low-tension oil ring to restore compression and control oil film. These file-fit rings are intended for careful groove-fitting during assembly and break-in to ensure reliable sealing.
Mahle MS 4.530in+ .005in 1/16in 1/16in 3/16in File Fit Rings
