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Mahle file-fit piston rings sized 4.145" +0.005 are supplied with 1.5, 1.5 and 3.0 mm ring widths for a precise rebuild. These rings are intended to restore proper combustion sealing, control oil consumption and help maintain compression in repaired or modified cylinders. The specification-focused set is suitable where exact sizing and measured ring gaps are required for a tight, serviceable fit during engine assembly.
Mahle MS 4.145in+ .005in 1.5 1.5 3.0 mm File Fit Rings
