High performance steering stabilizers are a simple and affordable way to enhance a vehicle s performance. Rancho® steering stabilizers are ideal for off road driving towing/hauling and street performance applications.Features Engineered For Vehicles With Oversized Wheels And Tires. Reduce Wheel Shimmy Bump Steer And Vibration Twin Tube Cellular Gas Design With 5/8 in. Piston Protective Boot Included. Added Protection For The Shock Rod And Oil Seal Liquid Metallic Finish Is Premium Long Lasting Finish Type - Single Diameter - 5/8 in. Internal Design - Twin Tube Suspension Type - Lifted Suspension Valving Type - 10 Stage Velocity Sensitive Valving Finish - Liquid Metallic Color - Silver Material - Steel Includes Mounting Brackets - Yes Includes Boot - Yes Boot Color - Red Fits for - 2008-2015 Ford F-250 Super Duty