Bilstein's 5100 Series Steering Stabilizers are made for late model trucks and Jeeps and feature a gas pressure monotube design that eliminates cavitation and foaming. Other features include: Precise steering damping, Reduces steering component vibration, Reduces wear and tear of steering components, Durable Corrosion resistant Bilstein Triple C process zinc finish, Digressive valving, made from the highest quality components, Offers optimum driver comfort & confidence, O.E. Replacement 36mm & 46mm models, Easy Installation.