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Mahle file-fit piston ring set sized 4.040" +0.005 with ring widths 1/16, 1/16 and 3/16 in. This file-fit assortment is supplied as a three-ring configuration per cylinder and is intended for final fitting to match actual bore dimensions during rebuilds. File-fit rings allow machinists to establish optimal ring-to-wall contact for improved sealing and controlled oil consumption in precision engine work.
Mahle MS 4.040in+ .005in 1/16in 1/16in 3/16in File Fit Rings
