1955 – 1959 Chevy / GMC Front Disc Brake Kit – 6 Lug – With Hubs & Under Floor Brake Booster

Our 6-lug disc brake kit contains all you’ll need to put modern discs on your stock 1/2 ton spindles, and keep your original pattern. The 1-1/4″ thick, 12″ rotor uses a GM full-floating caliper. The 8″ single diaphragm booster master cylinder and proportioning valve mounts in the stock location. The kit uses tapered roller bearings and new forged hub with the hub upgrade kit. Some stock wheels may rub the caliper,it may be necessary to use a spacer. May not work with some stock wheels. Also, 1947-50 trucks may need to drill out lower spindle hole from 7/16″ to1/2″.Note: Frame mount brake boosters may require #CP9424 transmission mount.
New roller bearings and rotors are included
Note: kit shown with optional upgrade drilled/slotted rotors.