1975 Ford E Series Van Differential Carrier E-350 Econoline - RWD - Dana 60 - Yukon Grizzly Locker - 35 Spline - 4.10 and Down or Thick Gear Ratio's - w/ Full Float Axle - Rear guaranteed to replace your current 1975 Ford E Series Van Differential Carrier E-350 Econoline - RWD - Dana 60 - Yukon Grizzly Locker - 35 Spline - 4.10 and Down or Thick Gear Ratio's - w/ Full Float Axle - Rear. 1975 Ford E Series Van Differential Carrier comes new OEM 1975 Ford E Series Van Differential Carrier aftermarket new 1975 Ford E Series Van Differential Carrier of remanufactured 1975 Ford E Series Van Differential Carrier E-350 Econoline - RWD - Dana 60 - Yukon Grizzly Locker - 35 Spline - 4.10 and Down or Thick Gear Ratio's - w/ Full Float Axle - Rear.