REAR COIL REPLACEMENT Kit comes with:

2 x BOSS Extreme Series 4500 Double Bellow Air Bags
4 x brackets (2 upper & 2 lower)
Mounting Hardware
Quality SAE J844 Government Approved Airline
Dual Schrader Valves Mounted in Stainless Panel
Instructions for fitting
x4 OEM Grade 12.9 K-Frame bolts

Boss Extreme series airbags are rated at 4500 lbs| 2045 kg per side and have been tested to over 400psi.

Average Air bag pressures will run around 50-70 psi depending on load.

Boss has sold over 25000 load assist kits in Australia| proven over time with 4WD enthusiasts| Mining companies| Tradies| 4WD Tour Operators as well as in Agricultural Vehicles| Trailers and motorhomes| limited only to your imagination.

To get the best performance from your kit inflate airbags just enough to achieve a level ride height. By doing this you are also allowing other suspension components to share the load of the vehicle and not putting any unnecessary pressure on any one individual part of your vehicle’s suspension.