The Washer (10.1x21x2.3) is the most widely applied product in the GS750B 1979 (N) USA (E03) FOOTREST (GS750C ( eight times ).
The most reasonably priced component used on the Gs750b 1979 (n) Usa (e03) Footrest (gs750c is the Pin 20x20.
A sample from the products for the Footrest (gs750c include: Bush, Bar,front Footrest,left, Lock Washer, Pin 20x20.