I’ll still need a few more part numbers from Rosen, once they have them; and they are still firming up the improved 2-hole mount base for the Group II applications. I decided to go ahead and get this published, even with a couple of missing links.
This .pdf document, complete with illustrations, will enable you to identify the correct mounts for your airframe, even if your current visor assemblies are missing. If you wish to order, just contact Mike Fiske at Rosen, and be sure to request your BAC discount.