2006-2018 Dodge Ram 1500 4WD Only - may require rear block/spacer on certain applications. Front 2.5" Leveling Kit. PN 2-100. So you just bought a new Dodge Ram 1500 4WDtruck and want to install larger wheels and tires, want a better stance, want a more commanding view of the road? Then the RTX Off Road 2.5" strut extension leveling kit is just what you need! Our high quality leveling kit for the new Dodge Ram 1500 trucks has been engineered to be the best leveling product you could possible install on your new truck. Laser cut from high quality steel and protected with a rugged and tough hammertone powdercoated finish, the RTX22100 2.5" leveling kit is the best decision you could make. Its a big bang for the buck! This is a true bolt on application - no modifications required. As they say, even a caveman could do it!! And you get to install those larger wheels and tires up to 35" while keeping the factory ride! May require rear block/spacer for a level stance on certain applications.