Some items from this specific schematic: Clamp L:35, Clamp, Washer(5.5x10x0.8), Screw(5x12).
This Igniter Unit Assembly is the most expensive of the items that make up this Signal Generator assembly.
The most reasonably priced component used on the Gsx500e 1985 (f) General Export (e01) Signal Generator is the Lock Washer.