The Washer-spring,6mm is the lowest priced item on this Brake Pedal/torque Link ('80-'81 schematic.
Some items from this specific schematic: Rod-torque,rr, Pin-cotter,2.0x15, Nut,6mm, Nut-brake Rod Adjust.
The sub assemblies and components that make up this Brake Pedal/torque Link ('80-'81 include this Pedal,brake, the most expensive part.