The lowest price component in this Ignition System parts-list fiche is the Screw-pan-cros,5x10.
Some items from this specific schematic: Nut, Igniter, Coil-pulsing, Dr8es-l (ngk Sparkplu.
The sixteen En500a2 Vulcan500 1991 Usa California Canada Ignition System component parts are all listed in this schematic.