Bilstein B8 5100 (Ride Height Adjustable) shock absorbers are designed for trucks and SUV's with a front OE coilover style suspension. Multiple snap-ring grooves in the body allow for different spring seat positions, providing front lift. The monotube shock absorbers feature a 46mm digressive piston a with self-adjusting deflective disc valve setting. Bilstein B8 5100 (Ride Height Adjustable) shock absorbers provide increased wheel travel and improved handling. Utilizing a B8 5100 (Ride Height Adjustable) shock absorber is the easiest way to level out your vehicle. Specs:Position: Front,Lift Height: 0-2",Collapsed Length: 17,00" / 43,20 cm,Extended Length: 22,55" / 57,30 cm,Zinc Plated,Body Diameter: 46 mm,Shock boot inlcuded,Price for one shock