"Air Locker locking differentials allow you to tackle the toughest terrain. As the world's premier selectable locking differential, ARB Air Lockers keep you moving in all conditions. ARB maintains a strong presence in the off-roading industry with its proactive approach in R&D. Supporting accessories alongside new vehicle releases is key to staying ahead of the game. ARB Air Locker Differential; 10 Bolt Rear; 1.24 in. Shaft; Spline 32; Ratio All; 32SPL