Rancho RS5000X Gas Shocks -SET - 05-16 Ford F-250 w/4" lift Part Numbers RS55044 and RS55261 Set of 4 Shocks for vehicles w/3.5-4.5" front Lift and w/2-4.5" rear Lift; Incl. RS6524B, RS66551B, RS6511B, RS6514B Systems Fits 4WD vehicles All necessary washers, bushings, and nuts included. Factory shock mounting bolts are reused for installation. Rancho's limited lifetime warranty protects against defects and premature failure. Rancho's 90 day ride guarantee covers RS5000X, RS7000MT, and RS9000XL shocks.