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Mahle file-fit piston ring set sized 4.155" +0.005, supplied with 1/16, 1/16 and 3/16 inch ring sections to manage compression and oil control. This matched oversize set is intended for precise file-fitting during engine rebuilds, offering standard OEM-style ring profiles for dependable sealing. Proper end-gap setup and ring seating should be completed by a machinist to ensure correct performance after cylinder reconditioning.
Mahle MS 4.155in+ .005in 1/16in 1/16in 3/16in File Fit Rings
