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Mahle file‑fit piston ring set sized 4.060"+0.005 includes 1/16, 1/16 and 3/16‑inch ring sections for custom fitting during engine assembly. Intended for bore oversize applications, these rings are supplied for precise end‑gap adjustment and require filing to match final cylinder measurements. The set is targeted at engine builders and machinists seeking accurate sealing and reliable ring geometry for rebuilt or modified engines.
Mahle MS 4.060in+ .005in 1/16in 1/16in 3/16in File Fit Rings
