Need Help with motor mounts (again)

[landarts]

This is getting a little confusing to say the least. Below you will see what I have to put a Chevy 6 cylinder 250 motor into the 67 Chicken Dinner truck. The truck originally had a 327 v8 that had a blown rod when I bought it. For know I have a 6 cylinder 250 motor that I would like to put into the truck while I take my time getting the 327 rebuilt the way I want it. I have done all kinds of searching for this particular part on the internet, this site and at the local parts stores. I have not been able to turn anything up. Any advise where I might look, or even what the part is called would be helpful.

thanks for any help, Jim