2014-2019 Dodge Ram 2500 4WD 3.0'' Front with 1.0'' Rear Lift Kit. The RTX Off road 3 inch front - 1 inch rear Lift Kit system for 2014-2018 Ram 2500 4WD trucks (rear coil springs) provides the right amount of lift to easily install up to 35 inch tires. This kit includes front and rear heavy duty steel coil spring spacers as well as front shock extensions so you do not need to replace your shocks. A rugged hammertone powder coat finish protects the RTX35315 lift kit.