The Bilstein 25-177442 B8 5160 Series Rear Shock Absorber is engineered to enhance the performance and durability of 2005-2016 Ford F-250 and F-350 Super Duty trucks equipped with a 4-inch lift. This shock absorber features a monotube design with a 46mm internal diameter, ensuring consistent, fade-free performance across various driving conditions. The remote reservoir increases shock oil capacity, improving heat dissipation and damping sensitivity, which is crucial for maintaining control during demanding off-road excursions. The shock's self-adjusting deflective disc valving responds instantaneously to changing road surfaces, providing optimal handling and stability. Additionally, the unique 360-degree swivel banjo hose fitting allows for a clean, low-profile installation without interference with other components. The zinc-plated finish offers enhanced corrosion resistance, extending the service life of the shock absorber. Designed for easy bolt-on installation, this shock absorber requires no cutting or drilling, facilitating a straightforward upgrade to your vehicle's suspension system. By incorporating the Bilstein 25-177442 B8 5160 Series Rear Shock Absorber, fleet operators can achieve improved vehicle control, reduced downtime, and enhanced safety during off-road operations.