On this parts fiche the Bolt(10x25) is the most specified component.
This schematic depicts all components used in the Vz800 Boulevard M50 2007 (k7) Usa California (e03 E33) Frame Brace partslist.
Some items from this specific schematic: Screw(6x14), Bracket,fuel Tank, Bolt(10x25), Bolt(8x16).