I had a copper head gasket on my turbo 170 back in the early '80's. If I remember correctly it was made by SCE. I have another new gasket in stock for the refresh. This one was made by Hussey Copper.
I've used SCE and Clark to make the large port Slant intake/exhaust gaskets for me in the past, and Clark also has the files to do copper head gaskets for the Slant as well, any bore and thickness.....
