Mahle MS piston ring set for a 3.701" bore with +0.005" oversize is supplied as a file-fit ring set. The set includes rings with thicknesses of 1.0mm, 1.0mm and 2.0mm in the specified order and is sold as a set of eight. These file-fit rings are intended for builders who will match rings precisely to the cylinder during installation.
Mahle MS 3.701in +.005in 1.0mm 1.0mm 2.0mm File Fit Ring - Set of 8