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Mahle piston ring set for a 4.135" bore (+0.005). This file-fit three-ring kit includes 0.043 in. ring thickness with 1.5 mm and 3.0 mm ring heights, supplied for final filing to fit the prepared cylinder. The set is meant for engine rebuilds where accurate ring-gap adjustment and proper oil control are required, helping restore compression and sealing when fitted to spec.
Mahle MS 4.135in+.005in .043in 1.5mm 3.0mm File Fit Rings
