Nine Levels of Performance: Nine-position easy-to-adjust knob allows customized damping control and firmness for on-road and off-road flexibility Smooth Performance: Polyurethane rebound bumper and bushings and graphite-filled fluon-banded piston help absorb ride harshness and enhance responsiveness to changing road conditions for an overall smoother ride Built to Last: Low-friction, self-lubricating seal retains gas and oil for quicker rebound and smoother compression while the long-lasting premium liquid metallic finish and polyvinyl protective boot ensures longer life Buy with Confidence: Knowing that Rancho RS9000XL series shocks are backed by Rancho’s limited lifetime warranty, you can purchase these shocks with confidence Vehicle Compatibility: These Rancho RS9000XL shocks are designed to fit 2014-2024 Ram 3500 with 0" lift; Fits vehicles with leaf rear spring; Does not fit cab and chassis models and models with auxiliary rear air springs Get premium control and performance with Rancho RS9000XL shocks! The Rancho nine-position adjustable shock offers unparalleled customization and performance. With a simple twist of the easy-to-adjust knob, you can fine-tune the damping and firmness to handle any on-road or off-road conditions. Designed for lifted trucks and SUVs that tow, haul, or go off-road, this shock is the first of its kind in the off-road market. Pressurized with nitrogen gas to 120 PSI, it minimizes air-to-oil mixture, reducing damping performance fade and foaming. The 18-millimeter nitro-carburized piston rod resists scuffs and corrosion, while the double-welded loops and 1.25-inch sintered iron piston provide enhanced structural integrity. The application-specific tri-tube body, filled with all-weather fluid, allows for cooler operation, increased vehicle control, and the ability to withstand temperatures from -40 to 248 degrees Fahrenheit. Polyurethane rebound bumpers and bushings, along with a graphite-filled fluon-banded piston, help absorb ride harshness and enhance responsiveness to changing road conditions, delivering a smoother ride. The low-friction, self-lubricating seal retains gas and oil for quicker rebound and smoother compression, while the long-lasting premium liquid metallic finish and polyvinyl protective boot ensure long life. Backed by Rancho's limited lifetime warranty. - Vehicle Compatibility: Fits 2014-2024 Ram 3500 with 0" lift; Fits vehicles with leaf rear spring; Does not fit cab and chassis models and models with auxiliary rear air springs.