The Bilstein B8 5100 series (33-185934) is a high-performance 46mm monotube gas pressure shock absorber specifically designed for lifted trucks, Jeeps, and SUVs. Featuring a patented digressive valving system, it instantly reacts to changing road conditions to provide a smooth and stable ride. The large 46mm piston ensures consistent, fade-free performance in both on-road and off-road environments. This unit is finished with a durable zinc plating for maximum protection against corrosion and debris. Package Contents: - 1 x Bilstein 5100 Monotube Shock Absorber (Part No: 33-185934) - 1 x High-Quality Black Dust Boot - Necessary Mounting Bushings and Washers for Installation.