Technical Need some help identifying Speed Gems Adapter

Can anyone identify this old Speed Gems adapter?

 

You’ll need an adapter. Hehe

 

Go here already identified.
https://www.jalopyjournal.com/forum/threads/speed-gems-identifacation.429374/

 

I wonder about this. It says "SG 103 is a Ford/Merc 332-390 58' -66' to Ford truck 5 speed 53' - 66'." It seems strange to me that Ford itself wouldn't have made that bellhousing. If not, it seems like an extremely odd application to "tool up" for. Certainly not a "Speed Gem".

 

Tubman, you are right to wonder. Ford built a ton of medium duty trucks with FE's / FT's backed by a Clark or Fuller 5 speed. Lots of factory bellhousings available, no reason for Speed Gems to make an aluminum one, unless they were suppling them to Ford directly.

 

Here’s a ford one to compare with
Said was from a 361 industrial

 

Looks like the same pattern as the Speed Gems IronFord posted, and with the typical Vander Haag's rattle can overhaul. I bet the blue one will attract a magnet through....

 

Thanks everyone. I’ll let him know what it is.