On this parts fiche the Cushion,headlamp Bracket is the most specified component.
This part-list fiche shows all the components that make up the Gs450st 1982 (z) Usa (e03) Steering Stem (model Z) .
A sample from the products for the Steering Stem (model Z) include: Nut, Washer, Bolt 8x35, Bolt(12x20).