These Mahle MS piston rings are file-fit rings sized 3.662" +0.005" with ring thicknesses of 1.0mm, 1.0mm and 2.0mm for precision engine rebuilding. Intended for careful installation and end-gap filing to specified clearances, the set supports proper sealing and oil control when matched to the correct piston and cylinder preparation. Use as part of a measured machine shop procedure for reliable ring seating.
Mahle MS 3.662in +.005in 1.0mm 1.0mm 2.0mm File Fit Rings