[Tulsa cobra]

Does anybody in Tulsa know of a place where I can have my wheels road force balanced. I thought I had a slow leak in the front left tire, use some slime, then realized that it was a loose valve stem. Now I have a very slight, but annoying shimmy in my steering wheel between 60mph to 100mph. If I let go of the wheel it tracks straight by shimmys for one second, then smooths out for one second, so on and so on.

Any info would be appreciated.