Skyjacker Hydro 8000 series shocks offer you a high quality shock absorber with true velocity sensitive valving. The durable long lasting action of the Skyjacker Nitro and Hydro shocks are designed to automatically adjust to any on or off-road conditions. Improve the ride quality of your stock or lifted vehicle with a set of these SKYJACKER shocks.150 PSI Pressurized Nitrogen Gas,Multi-Stage Velocity Sensitive Valving,Twin Tube Construction,Over-Sized Piston Head,Bonded Iron Piston,Chromed Piston Rod With Micro Pores,Red Polyurethane Bushings,Includes Red Boot,Prevents The Formation Of Bubbles To Reduce Fade,Leak Proof Seal,14 mm Piston Rod,Red Polyurethane Shock Bushings and Boot,Designed for lift 2"-3",