1972 Ford E Series Van Differential Carrier E-200 Econoline - Dana 60 - Yukon Grizzly Locker - Aftermarket 40 Spline Upgrade - 4.10 and Down or Thick Gear Ratio's - w/ Full Float Axle - Rear guaranteed to replace your current 1972 Ford E Series Van Differential Carrier E-200 Econoline - Dana 60 - Yukon Grizzly Locker - Aftermarket 40 Spline Upgrade - 4.10 and Down or Thick Gear Ratio's - w/ Full Float Axle - Rear. 1972 Ford E Series Van Differential Carrier comes new OEM 1972 Ford E Series Van Differential Carrier aftermarket new 1972 Ford E Series Van Differential Carrier of remanufactured 1972 Ford E Series Van Differential Carrier E-200 Econoline - Dana 60 - Yukon Grizzly Locker - Aftermarket 40 Spline Upgrade - 4.10 and Down or Thick Gear Ratio's - w/ Full Float Axle - Rear.