yea, I think I agree with WGC. We have an airstream trailer and my plan is to hitch up to the van using my old hitch (without the weight distribution bars)and see how level it is. Then order the new ball mount accordingly. I am looking at Weigh-Safe hitches because they tell you how much weight is on the hitch. My existing hitch is a Equalizer weight distribution hitch which has been a hassle to keep adjusted but has seemed to work well. As you may or may not know my owners manual recommends that you do not use weight distribution hitches for our van thus the need to get a new hitch. I have mixed feelings about this.