On this parts fiche the Nut-hex,6mm is the most specified component.
A sample from the products for the Ignition System include: Nut-hex,6mm, Collar, Cpr9eb-9 (ngk Sparkpl, Cpr8eb-9 (ngk Sparkpl.
The component with the lowest price in the Ignition System schematic is the Nut-hex,6mm.