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Mahle MS piston rings are file-fit rings for a 4.155" bore with +0.005" oversize and a three-piece set specified as 1.0mm, 1.0mm, and 2.0mm thicknesses for a single-cylinder application. These rings are intended for precision fitting during engine assembly and are supplied as a single-cylinder ring pack to match the listed bore and oversize dimension for accurate sealing and ring-gap control.
Mahle MS 4.155in +.005in 1.0mm 1.0mm 2.0mm File Fit Ring - Single
