I have never seen one like this before. Looks like custom hand made period speed equipment.
http://cgi.ebay.com.au/triple-carby-manifold-FJ-FX-grey-motor-138_W0QQitemZ190143618094QQihZ009QQcategoryZ29700QQssPageNameZWDVWQQrdZ1QQcmdZViewItem
Cheers Jim
Jim, It's not for a grey motor as it has too many exhaust ports.
It may be for a Ford Zephyr but i'm not gunna tell him ;)
ACE 8)
Ace
Thought some thing looked a little strange, but must say it was rather late when I found it listed and was more interested in the actual carby setup.
Cheers Jim