JEGS Ford 9 in. Rear Disc Brake Conversion Kit for Select 1957-1987 Ford F-Series Truck [Premium Kit Non E-Brake & Raw Calipers]

Rear Disc Brake Conversion Kit: This JEGS premium rear axle disc brake conversion kit without parking brake is an easy bolt-on solution for upgrading your pre-1987 Ford 9 in. light truck rear-end to disc brake performance. The installation of disc brakes will require the use of 15 in. wheels. Any attempt to install disc brake with a 14 in. wheel will be the customers responsibility. This kit requires a disc/disc proportioning valve. JEGS recommends 555-63025. JEGS recommends a 1.125 in. large bore master cylinder like 555-631403 when adding disc brakes. Maximum axle flange diameter of 7.25 in. with 4.25 in. max register to fit rotor hat. Fits small bearing 9 in. (3 3/8 in. x 2 in. Flange), early big bearing 9 in. (3 1/2 in. x 2 3/8 in. flange) and late big bearing 9 in. (3 9/16in. x 2 in. Flange). 9"Ford axle bearing flange bolt pattern identification.