The Bilstein B8 5100 series (33-318967) is a high-performance rear gas pressure shock absorber designed specifically for the 2015-2021 Ford F-150. Ideal for lifted pickups, these monotube shocks provide consistent, fade-free performance even under heavy loads or off-road conditions. The 46mm digressive piston design self-adjusts to road surface changes, ensuring superior control and comfort. Features a zinc-plated finish for maximum durability against harsh elements. Package configuration: - 1 x Rear Shock Absorber (Part No: 33-318967) - Installation bushings and washers included.