The Mahle MS piston ring set for a 4.630" bore (+0.005") includes top and second rings at .043" and an oil-ring section sized 3.0mm in a steel, standard-tension, file-fit configuration. This set provides the specified dimensional replacements for rebuilds and piston servicing, intended to achieve correct ring-to-bore fit when matched to the listed measurements.
Mahle MS 4.630in+.005in .043in .043in 3.0mm Steel STD Tension File Fit Rings