Aluminum head repair near Philly?

[iluv69s]

Thanks for the response guys....but stiill have not found the right guy for the repair...still looking.

here's a few pics..of the good head..haha...anyone have any ideas what they were for/from?? I have an old Hot Rod magazine somewhere that has a motor on the cover with these heads..I just cannot locate it right now. I seem to remember something about a NASCAR connection?? Anyone have the magazine..I believe it was in 74 or 75 Hot Rod.

I swore they were o-dash part numbers, but apparently they are something else...at this point I am not sure they are even Chevrolet..?????