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Mahle file-fit piston ring set sized 4.165" +0.005, supplied with 1/16, 1/16 and 3/16 inch ring sections for compression and oil control. Intended as a matched oversize set, these rings require precise file-fitting during engine rebuilds to achieve correct end gaps and seating. The set supports cylinder reconditioning to the specified oversize and provides OEM-style profiles for dependable sealing when installed by a trained machinist.
Mahle MS 4.165in+ .005in 1/16in 1/16in 3/16in File Fit Rings
