I meant the hitch - is that what the bolts are for?
I don't think I'm going to be able to do that with the bumper I have. Looks like you had space between the bumper and the crossmember, my bumper just sits flush against the crossmember. Guessing I don't want to cut into the crossmember to put a receiver through it?
How about a factory style hitch receiver?
Sits like this