Air Lift's 1000 Series Rear Air Spring kit is the easy, inexpensive solution to vehicle "bottom out" events, sway and body roll and rough rides that are often the result of inadequate or uneven rear suspension. Consisting of two durable, easy to install and use pressurized cylinders, this kit provides up to 1,000 pounds of load leveling power on each rear wheel, ensuing a safe, smooth and level ride when you need it.1,000 Pounds of Load Leveling Power Simple in-coil installation. Inflate via easy access air line. Air Lift 1000 Series Air Springs are pressurized air cylinders designed to provide up to 1,000 pounds of additional leveling capacity to heavily loaded vehicles. Designed to work in tandem, the two air springs included in Air Lift's 000 Series Rear Air Spring kit share the duty of supporting your vehicle's rear suspension. Installed within your vehicle's standard coil springs when deflated and malleable, these cylinders can be inflated to up to 50-psi (minimum of 5-psi to avoid chafing and coil pinch) via a series of included air line tubing located by the user at the most convenient spot along the vehicle chassis. Air lines may also be arranged in a dual routing configuration, allowing the the two air springs to be inflated to different pressures if necessary, at different spots selected along the car's chassis. Inflation can be done with any air compression tool capable of delivering the pressure, ranging from a dedicated onboard air compression system, to portable air compression tools built into jump-start tools or even a hand pump. The cylinders are constructed of rugged, durable materials and feature high burst strength.Whether you are experiencing "bottoming out" during which your vehicle nearly scrapes the road and headlight aim is askew, vehicle swaying and rolling due to uneven suspension or a rough ride, the simple answer to the problem could be rear-end suspension adjustment. You can achieve this easily and inexpensively with Air Lift's 1000 Series Rear Air Spring kit.FeaturesFully adjustable rear air springs level your vehicle when towing or hauling a heavy load for a safe comfortable rideEasily installs inside your vehicle's standard rear coil springs to eliminate sag and bottoming outRugged durable materials used ensure that air springs and all hardware will last indefinitely under proper conditionsInflatable up to absolute max of 50-psi, with a minimum of 5-psi and provides up to 1,000 pounds of leveling capacityBoth air springs can be inflated to the same pressure via a single air line, or can be inflated to differing pressure when needed via a dual air line configurationLifetime Limited Warranty Air Lift Company warrants its Air Lift 1000 products to the original retail purchaser against manufacturing defects when used on catalog-listed applications on cars, vans, light trucks and motor homes under normal operating conditions for as long as Air Lift manufactures the product. The warranty does not apply to products that have been improperly applied, improperly installed, used in racing or off-road applications, used for commercial purposes, or which have not been maintained in accordance with installation instructions furnished with all products. Product Description AIR LIFT 1000 Series Front Air Spring Kit is designed to adjust the air spring level of the vehicle while towing. It includes hardware and durable component. This kit eliminates sag and features 1000 pounds of leveling capacity. It installs inside coil spring to eliminate bottoming out and is highly durable.