Smooth Performance: Polyurethane rebound bumper and rubber bushings help absorb ride harshness while the fluon-banded piston enhances responsiveness to changing road conditions for an overall smoother ride Improved Handling and Stability: Whether you're navigating rough terrain or taking on winding roads, the Rancho RS5000X shocks provide improved handling and stability, giving you better control of your vehicle; This translates to a safer, more comfortable ride for you and your passengers Strong and Durable: Features a 16mm nitro-carburized piston rod to resist scuffs & corrosion, double-welded loops at stress areas, 35mm sintered iron piston for enhanced structural integrity and polyvinyl protective boot Easy to Install: Designed with the DIYer in mind, the Rancho RS5000X shocks are straightforward to install; With step-by-step instructions and all necessary hardware included, you can get your new suspension system up and running in no time Vehicle Compatibility: This fits your 1997 - 2006 Wrangler / TJ with 0" Lift Rancho’s Cross Tuned technology featuring exclusive rebound valving system and advanced compression phase improves overall handling and performance on and off road. Exclusive Progressive Engagement Valving is custom-tuned for each vehicle to help reduce initial impacts at low speeds and minimizes a rough ride. Features a 16mm nitro-carburized piston rod to resist scuffs & corrosion, double-welded loops at stress areas, 35mm sintered iron piston for enhanced structural integrity and polyvinyl protective boot. Large twin-tube body filled with all-weather fluid allows for cooler operation, increased vehicle control and ability to withstand internal temperatures of -40 to 248°F. Polyurethane rebound bumper and rubber bushings help absorb ride harshness while the fluon-banded piston enhances responsiveness to changing road conditions for an overall smoother ride. Nitrogen gas pressurized to 150 PSI to minimize air-to-oil mixture to reduce damping performance fade and foaming. Compression Control Valve is custom-tuned for each vehicle to regulate fluid transfer to absorb impacts without disc flutter and help maintain shock motion control. Low-friction, self-lubricating seal retains gas and oil for quicker rebound and smoother compression while the application-specific piston delivers heightened control of shock motion due to the expanded piston area. From its humble beginnings in 1955 to the present, Rancho has been dedicated to delivering suspension systems, shock absorbers and accessories that deliver rugged on- and off-road performance for Jeeps, trucks and SUVs.