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Mahle file-fit piston rings for a 4.120 inch bore plus 0.005 inch include 1.0, 1.0, and 2.0 mm ring sections and are intended for engines requiring custom end-gap and clearance fitting. These rings are supplied for finish-fitting by a rebuilder or machinist to obtain proper sealing and oil control when bores are outside standard drop-in tolerances. They provide flexibility for precise rebuilding and allow tailored ring sizing for optimal cylinder performance.
Mahle MS 4.120in+.005in 1.0mm 1.0mm 2.0mm File Fit Rings
