Parts such as the Cylinder: Cylinder Comp, Gasket,cylinder (nas), Bolt,flange,sh,6x40, O Ring,74x1.9 are included in the Cb750 Nighthawk 1991 (m) Usa Cylinder parts fiche.
The Cylinder is made up of components including this Cylinder Comp which is the most expensive.
The component with the lowest price in the CYLINDER schematic is the Nut,flange,6mm.