DETROIT LOCKER-TRACTECH Detroit Truetrac - GM 8.5/8.6 10-Bolt 30-Splin 913A481

DETROIT LOCKER-TRACTECH Differential Carrier - Detroit Truetrac - 30 Spline - 2.73 Ratio and Up - Steel - 8.5 in / 8.6 in - GM 10-Bolt - Each.
REQUIRED BEARINGS: YEARS UP TO 98 WITH 2.891