Parts such as the Air Cleaner: Tube,air/c Conn., Nut,fender Settin, Plug,brthr Tube, Seal,air/c Case are included in the Cb1300 Super Four 2008 (8) Australia / Two Air Cleaner parts fiche.
On this parts fiche the Tapping,5x20 is the most specified component.
The component with the lowest price in the AIR CLEANER schematic is the Screw Tapping5x25.