Rancho Quicklift Leveling Strut Front Pair 2006-2008 Dodge Ram 1500 4WD Part Numbers RS999929 and RS999943 Front Pair of Struts & Springs for vehicles at factory height or w/0-1.5" front Lift; Excludes "Megacab" models. These parts will not work on Megacab models, which require front shocks 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.