We have AMP power running boards on a JK. Essentially no impact on ground clearance. Our short friends love em!Well here is an idea that will keep you Googling for a while.
Power running boards.
I have a 90 suburban I have been trying to customize a set for. The problem I am having is it doesn't seem as anyone has done it or at least not posted about it. However I do believe Amp Research use to make a set for TJs so it should make the customization easier....maybe