Fox 2.0 Performance Steering Stabilizer 1999-2004 Ford F250 Super Duty 4WD Part Numbers 2770 and 985-24-000 One Steering Stabilizer Fits 4WD vehicles Shock boots & Roost Shields sold separately. All necessary washers, bushings, reservoir clamps, and nuts included. Factory shock mounting bolts are reused for installation. Mounting plates sold separately. Fox's limited one (1) year warranty protects against defects and premature failure.