Bilstein 5100 Monotube Gas Shock Front Pair 05-16 Ford F250 SD 4WD w/2.5-4" Lift Part Number 24-185776 Front pair of 2 shocks for vehicles w/2.5-4" front Lift Fits 4WD vehicles 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.