Rick,

The valve covers were covered with an industrial grade plastic material that was applied by heat-sink method. I have a set on my V-6.

http://rides.webshots.com/photo/2476190870054402330doQPRY


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