58-60 Edsel Front and rear disc brake conversion kit with power brake booster and master cylinder. Big stopping power for a big car! Uses quality rotors, calipers and pads that you will be able to buy for years to come at your local parts store. The 1958 kit uses the original 5 on 5 inch lug pattern and the 59-60 kit uses the standard 5 on 4.5 inch pattern. The 58 kit must have 15 inch or larger wheels while the 59-60 can use a 14 inch wheel.