FOX 2.0 PERF. IFP SHOCKS (FRONT/REAR) FORD F250/F350 2005-16 4WD W/2-3.5" Lift Set of 4 Shocks - Fits 4WD Vehicles 2-3.5" Front Lift and 1.5-3.5" Rear Lift Shock boots & Roost Shields sold separately. Monotube gas charged with 2-inch aluminum seemless alloy body. Shocks are rebuildable and nitrogen gas-rechargeable. All necessary washers, bushings, and nuts included. Factory shock mounting bolts are reused for installation. Fox's limited one (1) year warranty protects against defects and premature failure.