Front Pair of Struts & Springs + Rear Pair of Shocks - Fits 2WD & 4WD Vehicles at factory height or 0-2" Front Lift and 0-1" Rear Lift Excl. Electronic Suspension, 4 Wheel Steering, ZW7 Self-Leveling Nivomat Suspension. Front height not adjustable from specified height. 9 settings of compression and dampening adjustment. Shock boots included with RS9000XL shocks. Twin tube nitrogen gas charged design with 9 settings of compression dampening adjustment. 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 limited lifetime warranty protects against defects and premature failure. RS9000XL series shocks include a 90-day ride guarantee.