Kieth, I think I have the OEM version of that same carb...I thought it was a edit;
1950 9510, as soon as I am done skewering up the shrimps and veggies for dinner I will pop out into the shed and throw an eyeball at it and look it up.
Unless you know for sure it wont work....
I do know it is a 600 Vac Sec., but not sure if the bodies are interchangeable...

edit; List number is 4548-6

Gotta get busy with the Holley book

GT