Parts such as the Swingarm: Grommet,swing Arm, Nut,lock,24x1.0, Stay,chain Slider, Washer,6x20 are included in the Nt650 Hawk Gt 1988 (j) Usa California Swingarm parts fiche.
The most expensive part in this assembly is the Arm Assy,swing.
The component with the lowest price in the SWINGARM schematic is the Screw,cross 5x12.