The most reasonably priced component used on the Gsxr600 2001 (k1) Usa (e03) Rear Swinging Arm is the Washer(12.5x20x1).
This REAR SWINGING ARM assembly utilises three Bolt(6x20)(s) - the highest specified component.
This Rear Swinging Arm diagram displays the required parts for the Gsxr600 2001 (k1) Usa (e03) Rear Swinging Arm.