I have a 05 LS trailblazer that I want to lift. I have researched the BDS suspension and body lift, I am not sure which one to choose or if I should purchase both?? I want to put 17 or 18 in wheels plus an aggresive looking tire, I am not sure what wheel size or tire size. I'd like to go with a larger diameter tire. I know you need an offset to get away from the control arm, but I don't know the specifications. Please can someone help me. Are there any websites that I can order from?? Thanks for your time.