Bilstein 5100 Series LIFTED TRK 5125 5 in.TRVL 233/90 46mm Monotube Shock AbsorberBilstein 5125 Series Shock Absorbers are designed to be used on custom vehicles in order to achieve the desired ride. The high gas pressure monotube shocks are sold by lengths and damping rates rather than by application. These shock absorbers all come with 5 8" eyelets with hour glass bushings on both ends. The shocks feature a 46mm digressive piston with self adjusting deflective disc valving.