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The Mahle MS piston ring for Ford 7.3L diesel is a replacement ring sized for a 4.170" cylinder and intended as a +0.040 oversize fit. Supplied as the ring for one cylinder, this MS-series item follows the Mahle MS Ford 7.3L (+0.040) diesel specification for service replacements during engine rebuilding and oversize piston installation.
Mahle MS Ford 7.3L (+040) Diesel Ring 1 cyl
