4 Pinion Trac-Lok Differential Posi for Ford 9" 28 Spline Axles 542043

For Ford All 9" 28 Spline Axles. Item Type: Clutch-Type Posi (Trac-Lok). Note：4 Pinion Design. 1x Differential (Showing as the picture). -Provides smooth and consistent operation.Helical cut gear driven posi traction for smooth operation.