Air Lift 1000 Air Spring Helper Kit Air Lift has Air Lift 1000 Series Air Spring Helper Kits for many vehicles having coil spring suspension. The poly air springs install inside the coil spring and are either manually inflated with an air chuck to a conveniently located Schrader valve or can be adjusted with a push of a button from the cab with the optional Load Controller or Quickshot compressor and control kit. They must contain 10 psi to 90 psi at all times to suit your height, load support and ride preference. Use these links to navigate to more information: Air Lift 1000 installation and features video Air Lift 1000 applications by vehicle (navigate by first choosing the make of vehicle) Air Lift Compressor Kits