This Turn Signal diagram displays the required parts for the Vt1100c Shadow 1100 1989 (k) Usa California Turn Signal.
A sample from the products for the Turn Signal include: Reflector,l.fr, Bolt,special,6x8, Holder,m/c, Stay Comp.,rr.win.
On this parts fiche the Screw,tap 4x25 is the most specified component.