1980 Ford E Series Van Differential Carrier E-350 Econoline - RWD - Dana 60 - Yukon Grizzly Locker - 35 Spline - 4.56 And Up - w/ Full Float Axle - Rear guaranteed to replace your current 1980 Ford E Series Van Differential Carrier E-350 Econoline - RWD - Dana 60 - Yukon Grizzly Locker - 35 Spline - 4.56 And Up - w/ Full Float Axle - Rear. 1980 Ford E Series Van Differential Carrier comes new OEM 1980 Ford E Series Van Differential Carrier aftermarket new 1980 Ford E Series Van Differential Carrier of remanufactured 1980 Ford E Series Van Differential Carrier E-350 Econoline - RWD - Dana 60 - Yukon Grizzly Locker - 35 Spline - 4.56 And Up - w/ Full Float Axle - Rear.