Rancho Quicklift Leveling Strut Front Pair 2004-2008 Ford F150 w/2" Lift Part Number RS999910 Front Pair of Struts & Springs for vehicles w/2" front Lift 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.