The Bilstein 24-274937 4600 Series Shock Absorber is a direct-fit upgrade for your 2017-2023 Ford Super Duty Pickup. The 4600 Series Shock Absorbers features monotube design with a unique, velocity sensitive, digressive piston to react to everchanging road conditions. Each B6 4600 Shock Absorber is tuned for optimal performance and to give you a great ride, excellent handling, and the ultimate in comfort.