GM used that system from 60 through 66 on Chevy and GMC trucks. However there were changes in the front suspension and steering in 63. If everything measures the same it should probably work.
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