Get the tie bolts from the dealer. You may need to borrow their tool, or buy/build your own. They have to be torqued to 600ft-lb.

Shock Pro hubs use taller caps than the standard ones. Hard to tell in your pictures, doesn't look like you have them. You could remove the cap & turtle, then the 12pt bolt and you will be able to see if it is a shock hub or not. Shock hub only has a few splines, standard has every spline. Make sure timing is right when you reinstall it and torque to 140-150ft-lbs IIRC. Been awhile.  If you have any rocks its worth converting.