Fit Note: 3.31 Ratio, 3.55 Ratio, 3.73 Ratio, 4.10 Ratio, 4.30 Ratio, Electronic Locking Differential, Rear Axle Less Limited Slip Diff, Rear Axle Limited Slip Differential, Narrow Frame (Chassis Cab), Wide Frame (Pickup), With Double Rear Wheels, With Single Rear Wheels