Rancho RS9000XL Adj Shock Set 2006-2010 Hummer H3 4WD Part Numbers RS999307 and RS999308 Set of 4 Shocks for vehicles at factory height or w/0" front Lift and w/0" rear Lift 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.