Shock Series:5100 Series Position:Rear Fitment:Direct Fit LiftHeight:w/2 in. Lift Hydraulic / Gas Charged :Gas Charged 5100 Series Shock Absorber Collapsed Length (in.): 16.95 Extended Length (in.): 27.36 Travel Length (IN): 10.41 Lower Mount: Eye 14.4mm Upper Mount: Eye 14.4mm Shaft Diameter: 14mm Reservoir: No Finish: Zinc Plated Body Design: 46mm ID Smooth Body (Non-Coilover) Internal Design: Mono tube Boot Included: Yes PRODUCT OVERVIEW Bilsteins 5100 Series Shocks offer traditional Bilstein technology with applications for lifted trucks, Jeeps and prerunners. 5100 Series shocks feature Bilsteins superior single tube high gas pressure design for the upmost in consistent fade-free performance and long life. Features include:Monotube gas pressure construction, Self-Adjusting Deflecting Disc Valving, High-Flow Piston Reduces Harshness, Independent Rebound & Compression Tuning, Larger Working Piston Area for Exact Damping, Superior Control for Large Diameter Tires and Designed for specific manufacturer lift kits utilizing the stock O.E.M. mounting configuration.