Bilstein 5100 Monotube Gas Adj Shock Front Pair 2007-2016 Toyota Tundra Front Pair of Shocks - Fits 2WD & 4WD Vehicles w/ 0.875 - 2.3" Front Lift Height 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.