[Jason4x4]

What I would do in your situation is go to the dealership and see if you can order a bolt for it. If it's going to be ridiculously expensive, I'd take one of the bolts you still have and go to Lowe's/Home Depot, and try to find a bolt the same size with the same thread size. They have boards there that you can screw your bolt into to tell the size. I don't know exactly what the size is offhand, but anyway, you should be able to come up with something that will work. Also, if you get a different nut/bolt at Lowe's/Home Depot, I would suggest putting the new bolt in one of the middle locations so it is easier to get to if you have trouble removing it next spring. Hope that helps!