The component with the lowest price in the AIR CLEANER schematic is the Bolt,hex., 6x16.
Check out any of the forty-eight Air Cleaner components enlisted.
Parts such as the Air Cleaner: Washer,18mm, Cover,element, Bolt,hex.,6x16, Washer,spring,6mm are included in the Cb550 Super Sport 550 Four Cb550f2 1977 Usa Air Cleaner parts fiche.