Updated review. Originally had reviewed stating a bad experience. Brock reached out and completely rectified situation.
After taking my classic truck to another place that claimed they "fixed" the shifting issue, National was able to actually fix it and haven't had an issue since.
Helped me out with my warranty and had my transmission replacement covered! I have been back for multiple little repairs since and they are always quick and helpful. Brock is very professional and knows his stuff.
Best mechanic shop I have been to. So helpful and quick service.