This OPTIONAL PARTS GAUGES & COMPONENT PARTS 1 assembly utilises two Washer, Spring(s) - the highest specified component.
The component with the lowest price in the OPTIONAL PARTS GAUGES & COMPONENT PARTS 1 schematic is the Nut.
Some items from this specific schematic: Gasket, Upper (nas), Screw, Tapping (26h), Gasket (nas), Bulb.