Rancho RS5000 Hydro Shock Absorber Set 2001-2010 GMC Sierra 2500 HD 2WD 4WD Part Numbers RS5274 and RS5288 Set of 4 Shocks for vehicles at factory height or w/0" front Lift and w/0" rear Lift; 9200 GVW. Excl. Autoride & Air Leveling Fits 2WD & 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.