It should be the same driveshaft for all 55(2nd)-59 shortbed trucks using the long tail housing 3 speed trans. As a matter of fact my 57 hardtop uses the same driveshaft as my 56 pickup. 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