1972 International Scout II Differential Carrier Dana 44 - Yukon Grizzly Locker - 30 Spline - 3.73 And Down Ratio or Thick Gears - 7/16 in. Bolt holes - Front guaranteed to replace your current 1972 International Scout II Differential Carrier Dana 44 - Yukon Grizzly Locker - 30 Spline - 3.73 And Down Ratio or Thick Gears - 7/16 in. Bolt holes - Front. 1972 International Scout II Differential Carrier comes new OEM 1972 International Scout II Differential Carrier aftermarket new 1972 International Scout II Differential Carrier of remanufactured 1972 International Scout II Differential Carrier Dana 44 - Yukon Grizzly Locker - 30 Spline - 3.73 And Down Ratio or Thick Gears - 7/16 in. Bolt holes - Front.