When it comes to measurements and specifics of your particular vehicle it will depend on who's kit you use. That said they all are pretty much the same.
I installed on on my '53 Chevy Pickup and the procedure will be very similar for your truck. Go to my web site and you can see a complete installation article. HotRodsAndHemis.com
Just go to the '53 Pickup pages and you'll see the button for the Mustang II IFS installation.