ARB Air Locker — Nissan H233B, 31-Spline Defender L663 Choose your insulation: closed-cell foam

Choose your insulation: closed-cell foam

The ARB Air Locker for the Toyota 8-inch IFS front differential adds a driver-selectable

extended platform surface

and navigation equipment

Removable zip-on floor

ARB Air Locker — Nissan H233B, 31-Spline Defender L663 Choose your insulation: closed-cell foamARB Air Locker Nissan H233B (31 Spline) An open differential sends torque to the wheel with the least grip, so the moment a tire lifts on the trail you stop making progress. The ARB Air Locker for the Nissan H233B rear axle solves that with a driver selectable, air operated lock: flip the switch and both wheels drive together for 100% traction, switch it off and you keep quiet, predictable open diff manners on the highway. This carrier is built for