found it at...
http://store.58cycle.com/product_p/swing brkt gsxr6 97-05.htm
i cut a couple of inches off to keep it tight into the hub.
put it on with a 5/8" x 6" concrete/mortar expansion bolt found at Lowe's hardware store.
it's still a bit loose. i need to find a way to keep it from spinning around when bumped. i'll work on that tomorrow.