Bilstein 5100&nbsp;monotube Gas Shock Set 2005&nbsp;&ndash;&nbsp;2016&nbsp;Ford F250&nbsp;4WD Set of 4 Shocks - Fits 4WD Vehicles w/6" Front Lift & 2-4" Rear Lift Shock boots included with all shocks except in cases of special fitment. Monotube gas charged for longevity, durability, and performance. All necessary washers, bushings, and nuts included. Factory shock mounting bolts are reused for installation. Bilstein's Limited Lifetime manufacturer's Warranty protects against defects and premature failure.