In AZ. I have gotten a 'Bonded Title' for such a deal. You go to your local insurance agent & pay a small fee to him & he fills out this paper that with a bunch of legal words basically says you didn't steal it & anyone has a year to contest it. Take that to your DMV & proceed as normal. Check your ins. agent &/or DMV office for the right /legal way to do it in your state.
Doug