"Get the most out of your vehicle with Rancho RS5000X shocks and struts. RS5000X shocks and struts are packed with features including the unique and patented rebound valving system and an advanced compression phase. Whether you're on or off the road, Rancho shocks have got you covered. Rancho RS5000X shocks and struts are gas pressurized and features progressive engagement valving. This shock is manufactured with a 16mm Nitro-carburized rod and a durable 1 3/8"" Sintered iron piston. Rancho RS5000X shocks are equipped with a rebound bumper and a glass-filled, Fluon banded piston. Push the limits of your ride with Rancho RS5000X shocks and struts. These shocks feature double-welded loops and self -lubricating seals to keep them performing for years to come. Keep the shock shaft protected with the included shock boot. | RS5000X Series Shock RS55001x"