63-70 Chevrolet pick-up truck front drum to disc brake conversion kit with booster master. Available in the hard to find 6 lug pattern and the standard 5 lug. This is a bolt on kit for the front axle of your Chevy truck. In addition the booster master cylinder bolts direct to your firewall, slight modification may be needed for manual transmission trucks. This kit will give you plenty of stopping power with large deluxe calipers and hefty 12 inch rotors. Finally a bolt on solution for your truck.