Just got back from there... LOTS of hours going into it, so sorry Mike looks like you're going to be out of luck.
The four studs, are small screws which hold Tommy's FMS plates on.
Gus, all is going to plan, suspension is back on and sorted, as is the box, diffs etc. They work magic down there... and at warp speed too!
They've still probably got time to get yours ready too... well, maybe not! LOL