The Bilstein B8 5100 series (24-232173) is a high-performance monotube gas pressure shock absorber specifically designed for lifted pickups and SUVs. This 46mm front shock features a zinc-plated finish and a velocity-sensitive digressive piston that reacts to changing road conditions for superior on-road and off-road handling. The adjustable spring seat allows for leveling of the vehicle's front end from 0 to 2.5 inches of lift. Each unit includes: 1x Shock Absorber (24-232173), 1x Mounting Hardware Kit (including bushings and nuts), and 1x Zinc-Plated Spring Seat. Note: Sold individually, requires reuse of factory coil springs.