The Bilstein B8 5100 series (24-187077) is a premium 46mm monotube gas pressure shock absorber specifically designed for lifted trucks and SUVs. Features include a velocity-sensitive digressive piston that reacts to changing road conditions for superior stability. The zinc-plated finish ensures durability against harsh elements. Included in this package: 1x Shock Absorber (Part No. 24-187077), 1x Black Dust Boot, and 1x Bushing & Washer Installation Kit. Note: Designed for vehicles with 0-2 inches of front lift.