The Bilstein 25-188387 5160 Series Front Shock Absorber is engineered to enhance the suspension performance of 1999-2004 Ford F-250 and F-350 Super Duty 4WD trucks equipped with a 2-3" front lift. This shock absorber features a monotube design with a remote reservoir, increasing shock oil capacity for superior heat dissipation and damping sensitivity. The 46mm piston diameter ensures consistent, fade-free performance under various driving conditions. The patented digressive valving system responds instantly to changing road surfaces, providing optimal comfort and control both on and off the road. The shock absorber's zinc-plated finish offers enhanced corrosion resistance, extending its service life. Designed for easy installation, it utilizes a 360-degree swivel banjo hose fitting, allowing for a clean and low-profile setup. This product is sold individually; two units are typically required per vehicle.