Rancho Quicklift leveling Struts + Rear RS9000XL Shocks Kit - 04-14 Nissan Armada Part Numbers RS999306 and RS999921 and RS999937 Front Pair of Struts & Springs + Rear pair of 2 shocks Fits 2WD & 4WD vehicles Front height not adjustable from specified height. 9 settings of compression and dampening adjustment. Rancho's limited lifetime warranty protects against defects and premature failure. Rancho's 90 day ride guarantee covers RS5000X, RS7000MT, and RS9000XL shocks.