Gas tank parts source

Does anyone know of a source for gas tank parts? ie: bungs, filler necks, etc.

I have been tossing around the idea of pounding out a somewhat simple tank. We'll see how simple it is after I get rolling on it.

I found this:

http://www.ajs-shop.co.uk/acatalog/Fuel___Fittings.html

From the UK. Nice looking Monza caps.

TDC

www.bungking.com