If it saves somebody some time, I'll post it here also. Its better to be bust'n knuckles on the truck than pounding a key board looking for parts.
Master cylinder cluch and brake togather.Napa # P34404
Hydrovac master cylinder. Napa #51-8052
Brake shoes rear # UP442R
Here is a web site as well;
http://www.autoatlanta.com/centric/...0MD&model=C60%20C6D042&year=1966 Rear Wheel Cylinder Kit two per side #M34403