These FOX 2.0 Adventure Series 984-50-651 shocks for the Ford F250, F350 are a great addition to your vehicles suspension. Tuned for Zone Suspension systems, but works excellent with nearly any suspension lift. These wll give provide a comfortable on-road ride and controlled off-road handling, they use a 2 inch OD alloy body construction with a large 5/8 inch heat treated hard chrome plated shaft for increased strength and durability. The monotube design uses an internal floating piston (IFP) to separate the shock oil from the high-pressure, nitrogen charged gas chamber. This eliminates oil aeration for fade-free performance from the vehicle specific valved shocks for in rough terrain. Get more out of your truck or Jeep with Zone Offroad and the FOX Adventure Series 2.0 shocks.