Rancho Quicklift Leveling Strut Front Pair 2009-2016 Dodge Ram 1500 4WD Part Numbers RS999930 and RS999944 Front Pair of Struts & Springs for vehicles at factory height or w/0-2" 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.