Detroit Locker-Tractech Detroit Truetrac - GM 8.5 10-Bolt 28-Spline 912A556

Detroit Locker-Tractech Differential Carrier - Detroit Truetrac - 28 Spline - 2.73 Ratio and Up - Steel - 8.5 in - GM 10-Bolt - Each-912A556--Notes: State Restrictions- Canada Restriction-NO -Emission Warnings--NO Truck Freight ---NO