The most reasonably priced component used on the Gsx1300r Hayabusa 2009 (k9) Usa (e03) Cylinder Head Cover is the Bolt(7x17.5).
The five Gsx1300r Hayabusa 2009 (k9) Usa (e03) Cylinder Head Cover component parts are all listed in this schematic.
In this schematic the "Bolt(7x17.5)" is used most often.