The ARB Air Locker uses a pneumatically activated locking mechanism that eliminates differential gear movement when engaged. This design allows both wheels to turn together for full traction but returns to open diff behavior instantly when disengaged.
Key Engineering Advantages:
- Bonded Annular Seal
- Steel reinforced, elastomer bonded
- Proven for 20,000+ cycles in extreme temperature conditions
- Strengthened Pinion Gear Design
- Forged nickel alloy steel
- Redesigned gear-tooth geometry increases strength by up to 30%
- Cross Shaft Retaining System
- One-piece hardened retaining pins
- Tapered thread junction prevents loosening under load
- Competition Proven Air Lockers dominate top-tier off-road events like Ultra4 King of the Hammers, where racers rely on their unmatched durability and performance.