1947-54 Chevrolet Full Size Car Front Disc Brake Kit w/ Booster. This is a complete front disc brake kit for full size Chevy cars from 1947-54. This kit offers the stopping power you need! Not only do you get the front disc brake kit, you also get the power brake booster master cylinder combo with proportioning valve! Requires 15 inch wheels. Our kits are assembled in the USA to our high quality standards! We offer one of the only zero off-set kits available. Available in chrome!