You're missing a few parts there Fella there's a part that bolts the arm to the drop out, you also need the torque reaction arm to go to the brake post. Front is IS standard, but you need to be careful that you don't have the Boxxer version of the bracket as this is thicker. You'll also need Rock Shox/White Industries or AMP hubs to run them.
Here's what you're missing, the small threaded parts bolts the bracket to the frame. The hole in front of the caliper is where the torque arm goes. I've used an AMP disc which is smaller but you get the idea.
thanks for the info buddy. Now I was shown that the set was designed to fit on the 98 STS Lobo. I got a 180mm rotor and a White Industries ( front ) hub for it as well.
Lets see if I will have a use for it. I really like it.