Rancho Quicklift Leveling Strut + Rear RS5000 Shock Set 2009-2013 Ford F150 4WD Part Numbers RS5384 and RS999911 and RS999935 Front Pair of Struts & Springs + Rear pair of 2 shocks for vehicles at factory height or w/0-2" front Lift and w/0" rear Lift; Exc. Harley-Davidson, SVT Raptor, 6.2L Engine; AWD; w/o 8,200lb GVW Fits 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.