In Case you need parts here is a link for all the stuff you need for your replacement/rebuild.

http://www.novak-adapt.com/catalog/transmission_components.htm

1960 GMC 305A V-6 Gallery Page
Remember, the government cannot give --anything to anyone --that they have not first taken away from someone else.
BUY AMERICAN http://www.stillmadeinusa.com/index.html