With a 1" body lift there is no need to relocate the radiator and no need for bumper relocation brackets. You simply drill new holes 1" down on the bumper brackets which in return raises the bumpers 1". This is what 4crawler web page states.
Loosing 1" of my shifters wont bother me either.
I am just holding off on sending my rock sliders in for powder coat until I make sure I am going w/ a 1" body lift and were exactly it will place the body of my truck.