http://www.ford-trucks.com/article/idx/10/0/
If you read part one first it will list the attributes of the original suspension,steering and brakes. Each numbered section applies to a different suspension donor.
This may be a bolt-in IFS crossmember for a Sweptline.
![Study :study](./images/smilies/icon_study.gif)
The kit mentions a 61-63 Ford which may be the same frame width. The other trucks mentioned may be the same too. I don't have any to measure but I'll look around.