Mahle file-fit piston rings for a 4.070" bore with +0.005" tolerance are supplied as a single-cylinder ring set in 1.0mm, 1.0mm and 2.0mm cross sections. Provided for cylinder-specific fitting, these rings are intended for single-cylinder applications where the listed dimensions and file-fit approach are required during engine assembly or rebuild.
Mahle MS 4.070in +.005in 1.0mm 1.0mm 2.0mm File Fit Ring - Single