Ride-Rite air helper springs utilize a pair of convoluted air springs, which can be adjusted for changing loads. These air springs are capable of 3,200 to 5,000 lbs.* of load leveling capacity. Ride-Rite air helper springs enhance the ride by reducing inter-leaf friction. Please remember that air springs do not increase the loadcarrying capacity of your vehicle. *DO NOT EXCEED THE VEHICLE’S RECOMMENDED GROSS VEHICLE WEIGHT RATING (GVWR)