I drive an 03 1500 4x4 and I'm currently looking into leveling out the front end. I've found some torsion keys that will give me 2" max lift made by both Rough country ($99) and by ReadyLift ($240). I can't seem to find a difference in the product other than price. Which would you purchase? Also if I level out the front end will it require longer shocks? Or will stock suspension cover the extra distance? Any input is greatly appreciated.