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Mahle MS piston ring set sized 3.776" +0.005" includes 1.0mm, 1.0mm, and 2.0mm file-fit rings for final bore fitting. These rings are supplied for engine rebuilds where installers file rings to exact cylinder clearance. The set description focuses on correct sizing and ring stack composition so technicians can complete a measured, file-fit installation for reliable sealing in the rebuilt chamber.
Mahle MS 3.776in +.005in 1.0mm 1.0mm 2.0mm File Fit Rings
