You can get a rebuilt syncro drum from Anaheim Gear in Anaheim, CA. 1-800-477-1103. I think they are about $125 exchange. No special tools required for the replacement, refer to the shop manual for dissassembly/assembly instructions. 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