You may be able to use parts from the side cover depending on which type you have. There is the ball type and the scissor type. The 2-3 shift fork will interchange the 1-R will not. As Dave states, that's about it. 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