Bilstein 5100 Series Shock Absorbers offer traditional Bilstein technology with applications for lifted trucks, Jeeps and some pre-runners applications.Bilstein 5100 Series shocks feature Bilstein's superior single tube high gas pressure design for the utmost in consistent fade-free performance and long life. Some of the product benefits at a glance are the "Monotube gas pressure construction" and "Self-Adjusting Deflecting Disc Valving" as well as "High-Flow Piston" which help reduces harshness. Superior Control for Large Diameter Tires and designed for specific manufacturer lift kits utilizing the stock O.E.M. mounting configuration.