Of all the components used in this assembly the Pedal, Brake is the most expensive.
A sample from the products for the Stand - Footrest - Brake Pedal include: Rod, Brake, Spring Tension 146273160000, Cover, Foot Rest, Spring 1832721600.
The most reasonably priced component used on the Gt80 1978 Usa / E-009161 Stand - Footrest - Brake Pedal is the Circlip (122).