The Bilstein B8 5100 series (33-185576) is a high-performance 46mm monotube gas pressure shock absorber designed specifically for lifted trucks and SUVs. Features a zinc-plated finish for durability and a velocity-sensitive digressive piston that reacts to changing road conditions. This shock provides superior control and comfort both on and off-road. Components included in this unit: - 1 x Bilstein 5100 Series Shock Absorber (33-185576) - 1 x Black Protective Dust Boot - 1 x Hardware Kit (Mounting Sleeves and Washers as required)