Air Locker locking differentials allow you to tackle the toughest terrain. As the world’s premier traction aid, ARB Air Lockers keep you moving in all conditions. Air Lockers give you the traction you need, when you need it, all at the flick of a switch. Product Benefits – Provides 100% traction on demand without affecting on-road drivability or driveline wear, Vastly improved traction means less reliance on momentum, thus reducing the likelihood of vehicle damage and environmental impact, Easy, convenient operation allows the user to concentrate on the terrain without leaving the comfort and safety of the driver’s seat Ultra durable and extremely strong – only the highest quality materials used in construction, Incredibly simple yet effective design that employs minimal moving parts, thereby ensuring maximum reliability, Thoroughly tested and proven design – trusted and used in over 100 countries around the world, Front and rear Air Lockers available for most makes and models, 4WD and 2WD applications, Easy installation and maintenance – no special tools, skills or additives required. Two year warranty guarantees the Air Locker will be free of defects in materials.