60's Show/Drag bike with chromed Indian girder

This is an early 30's Indian girder that's all setup for a Triumph. The guy said it was on his dad's wild chromed out show/drag bike in the 60's. Well, the guy wasn't BSing- he just found the pic of his pop's old Triumph with the girder on it. The pic isn't very clear but you can see the girder with a Borrani rim and spool hub (long gone he says) as well as a green and gold Wassell banana tank. The picture couldn't have been taken any earlier than 1964 based on the Myers Manx in the background. I wonder what happened to the rest of the bike?