The Mahle OE sleeve and three-ring piston assembly is sized for a 7.4L (4551 CID) application with a 4.375-inch bore and six-cylinder configuration. Intended for engine rebuilds or ring replacement, this sleeve and ring set provides the specific bore and ring combination listed in the description to restore sealing and compression where correct sizing is required for that case.
Mahle Rings Case 4551 CID 7.4L A451BD 6 Cyl 4.375in Bore Sleeve Assy Ring Set