You will have to crank the bars the same amount to get the same ride height that you have now. The pre-load will be the same regardless if you have stock keys or aftermarket keys. The indexed keys allow you to crank the bars further (not sure why anyone would want to), and nothing more. It's the pre-load on the bars that set's your ride height, the more pre-load the stiffer the ride and the higher the front end will sit. Remove pre-load (un crank them) and it will soften the ride and lower the front.