Mahle file-fit piston rings are supplied in the listed oversize and multi-thickness configuration to restore sealing after cylinder work. This set specifies +0.005" oversize with 0.043" ring sections and mixed 1.5mm/3.0mm ring heights, intended for precise bore tolerances and standard installation. Mahle provides ring options that align with machining and rebuild requirements.
Mahle MS 4.125in+.005in .043in 1.5mm 3.0mm File Fit Rings