Check out any of the nineteen Steering Stem components enlisted.
Some items from this specific schematic: Bearing(30x55x17), Bolt,holder Axle(8x40), Nut,steering Stem, Damper Assy,steering.
With all the components that make up the GSXR600 2004 (K4) USA (E03) STEERING STEM assembly. The Bolt,holder Axle(8x40) is the most frequently specified with four applications.