ARB GM 14-Bolt Selectable Air Locker - 10.5" Rear Axle, 40 Spline 2014-ford-f-350-super-duty-esi2243085 Deeper heat-treat at bearing journals

Deeper heat-treat at bearing journals for added strength

Plating Option: Nickel plating available

Tech Insight  Front wheel bearings carry the full load of the vehicle while also supporting steering forces

Fitment Rockwell axle builds

while maintaining perfect street manners

ARB GM 14-Bolt Selectable Air Locker - 10.5" Rear Axle, 40 Spline 2014-ford-f-350-super-duty-esi2243085 Deeper heat-treat at bearing journalsThe ARB Air Locker for the GM 14 Bolt 10. 5" axle instantly locks both axle shafts together, ensuring maximum power delivery to both wheels. When activated, its pneumatically operated locking system prevents the internal differential gears from rotating independently, tying both wheels directly to the ring gear for unmatched traction. Includes: ARB GM 14 Bolt 10. 5" Air Locker Differential Dash mounted activation switch Solenoid valve Air line