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Mahle piston ring set for a 4.125" bore (+0.005). This file-fit ring pack specifies 1.0 mm, 1.0 mm and 2.0 mm ring heights, prepared for final filing to match cylinder bore. Intended for engine rebuilds, the three-ring configuration supports accurate ring-gap setup and oil control necessary to restore compression and reduce wear when installed and finished correctly.
Mahle MS 4.125in +.005in 1.0mm 1.0mm 2.0mm File Fit Rings
