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Mahle file-fit piston rings sized for 4.030 in. bore with +0.005 in. oversize. This ring set uses 1/16 in., 1/16 in. and 3/16 in. section heights for builders who will file rings to final cylinder size. The specification supplies the intended ring stack and oversize tolerance; follow correct ring gap and fitting procedures during installation to ensure reliable sealing and ring life.
Mahle MS 4.030in+ .005in 1/16in 1/16in 3/16in File Fit Rings
