If you are in need of technical assistance with Bulletbirds in particular, or parts for one, or other Tbirds, you might contact Tom Maruska of Tbirds Square. He might have what you are looking for in parts not only for Bulletbirds, but from 1955-1966 Tbirds. Here is his contact information as I know it.
Here is his email address listed for him. Put this important information below this in your Subject line.
He said this on his website...
If you email me to inquire about parts availability
PLEASE enter something about Tbird Parts in the subject space
of your email. If you don't enter anything, your email may be discarded by my SPAM filter. Thanks!