Looks like a valve cover to me.
Well Nicky has been out of the game for years. I bet his aux 12v plugs still don't work either
I would say a leaky valve cover still warrants a motor build!:thumb:
If your radiator hose holds an erection for more than 4 hours, call your engine builder.:thumb:
I have an oil cooled turbo and no egr... everything is capped or bypassed