Detroit Locker Eaton Posi - 64-72 GM Car 12 Bolt 30-Spline DET19555-010

Differential Carrier - Eaton Posi - 30 Spline - 4.10 Ratio and Up - Steel - 8.875 in - GM 12-Bolt - Each

Drivetrain, Differentials and Rear-End Components, Differentials and Differential Carriers by DETROIT LOCKER-TRACTECH