The Mahle MS piston ring set sized 4.070in +0.005 includes three file-fit rings with thicknesses 1.5mm, 1.5mm and 3.0mm. Supplied for engine rebuilds, this set provides the correct oversize to finish-fit to cylinder bores, enabling rebuilders to re-establish compression sealing and regain oil control during cylinder finishing and assembly procedures.
Mahle MS 4.070in+ .005in 1.5 1.5 3.0 mm File Fit Rings