Pull the spark plugs out and try to turn it over with the starter. BE CAREFUL fluids could shoot out of the spark plug holes. If it laid on it's side for a while the cylinders can fill with fluid causing a hydraulic lock.
The biggest problem with Fram filters ( I have witnessed this myself) is at the higher RPM's of track use they tend to BALOON. What I am saying is the nice flats on the end of the filter disappear. The internal pressure will get high enough to expand the metal body of the filter. Left alone long...
Talk to a local machine shop and ask if they could help you out. A die that size would be extremely expensive, probably in the neighborhood of $100. A thread file might also work for you.