Vehicle Fitment: Compatible with 1999-2004 F250 and F350 Super Duty 4WD models with 0 inch lift excluding chassis cab models Enhanced Ride Quality: A smoother ride is provided with an internal rebound bumper and shouldered rubber bushings providing a reduction in noise, vibrations, and harshness while responsiveness improved with a PTFE-banded piston Reduces Fade: High pressure nitrogen gas minimizes the mixture of of air-to-oil reducing the damping fade and foaming creating a superior long lasting performance High Durability: A strong closure, reserve tube, hardened chrome piston rod and double welded loops provide durability while resisting scuffs and corrosion Buy With Confidence: These Rancho RS7MT Front and Rear Shock Absorbers and RS5000XSteering Damper are backed with a limited lifetime warranty Upgrade the performance of your F250 or F350 with the versatile on and off-road Rancho RS7MT Shocks. RS7MT Shocks contain a full floating dividing piston and nitrogen gas that put pressure against the oil to reduce the amount of air further reducing the chances of fade. All components in this set feature a nitro carburized piston rod to enhance resistance to scuffs and corrosion, while stress areas feature double welded loops, and a sintered iron piston enhances structural durability. Oil within the shocks is protected by a sealing system that includes a dirt wiper to keep debris out ensuring consistent performance. Not only will these shocks provide durability but also enhance ride comfort. An internal rebound bumper, shouldered rubber bushings, and PTFE-banded piston enhance ride comfort by reducing noise, vibrations and harshness improving reaction speed to changes in terrain for a smoother ride. A monotube body consisting of all-weather fluid allows RS7MT Shocks to provide a consistent performance from -40 to 248 degrees Fahrenheit. These Rancho RS7MT Shocks are compatible with 1999-2004 F250 and F350 Super Duty 4WD models with 0 inch lift excluding chassis cab models.