Of all the components used in this assembly the Cylinder is the most expensive.
The most reasonably priced component used on the G5b 1974 Canada Cylinder Head/cylinder ('72-'73 is the Nut,8mm.
Some items from this specific schematic: Gasket-cylinder Base (mca), Washer-spring,8mm, Spring-connector, B8hc (ngk Sparkplug).
