Firestone Ride Rite Ford F250/F350 '17. Ride Rite air springs use the same Firestone technology used on many heavy duty trucks trailers and buses on the road today. 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 3200 to 5000 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 load carrying capacity of your vehicle. Features of Firestone 2600 Ride Rite Ford F250/F350 '17 Improves steering control and braking effectiveness level headlight beams and reduce tire wear Individual inflation valves allow for side-to-side adjustment Keeps leaf springs from permanent sagging under repeated or constant load Protective air cushion softens contact between the axle and frame and absorbs road shock - providing ideal ride conditions for your passengers and load Fits 2017 Ford F250 and F350 2WD and 4WD models Package Contents: Firestone 2600 Ride Rite Ford F250/F350 '17 Firestone 2600: Ride Rite Ford F250/F350 '17