The Katana/SV650 wheel will go on with no problems. You will have to use the cush drive off of your GS. If you don't want to weld the caliper arm (torquelink) you can get the one off a 2000 and up Bandit 600 and it should clear.

You will be able to run 160's on the rear.
Stock GS

Bandit 600


Check out my build thread. I mount this up and take pictures too. Man I am great!