If you need all new parts to repair the drum brake system, money would be better spent to install front discs with a power booster and dual master cylinder. I have owned vehicles with both systems and installed many of each. Overall the disc brake system is far superior.
Fred


1956 3100 Pickup/Red/350/3sp OD/PS/Disc Brakes
1957 Bel Air Sport Coupe/Red/355/TH350/PS/Disc Brakes
2017 Silverado LT Single Cab SB/Black/5.3/6 Speed Trans
1947 Willys CJ2A w/F-Head engine