Improved Handling and Performance: Reduces wheel shimmy, bump steer and vibration which helps minimize on- or off-road driver fatigue Accommodates Larger Tires:  Engineered for vehicles with oversized wheels and tires  Engineered to Last: Features protective boot to safeguard shock rod and oil seal Handles Extreme Temperature Changes: Twin-tube cellular gas design filled with all-weather fluid allows for cooler operation, increased vehicle control and ability to withstand internal temperatures of -40 to 248°F Vehicle Compatibility: This fits your 2001-2008 Silverado 2500 HD, Sierra 2500 HD; Must Use with RS5548 Mounting Kit, 1987-2006 Wrangler 4WD; 1997-2006 TJ 4WD; with OEM Steering Damper Mounts Ideal for off-road driving, towing and street applications, a Rancho RS5000 steering stabilizer enhances a vehicle’s performance. Designed for vehicles with oversized tires and wheels, a RS5000 steering stabilizer minimizes on- and off-road driver fatigue by reducing wheel shimmy, bump steer and vibration. While Rancho RS5000 Shock Absorbers are extremely important for ride quality and safety, they are not an integral part of the suspension. Rancho Performance Shock Kits provides a bolt on suspension system that elevates you on and off-road performance to unmatched levels. The most important custom truck part purchases you will make will be your Rancho truck shocks or Rancho shocks. When you purchase the best truck shocks like Rancho 4X4 shocks or lifted truck struts You will be ready to hit the trails like a pro.