Parts such as the Steering Stem: Nut,steering Stem(25x44x10), Bolt,stem, Bolt,stem Head, Bearing(25x47x15) are included in the Vz800 Marauder 2003 (k3) Usa (e03) Steering Stem parts fiche.
The lowest price component in this Steering Stem parts-list fiche is the Washer(22.5x35.9x1.6).
In this schematic the "Bolt,stem" is used most often.