Ah! I wouldnt touch anything from Ebay that involves internal engine components. Not my thing especially when the dealer only has 238 some sales. No thanks.
Send it to someone who has a good reputation, or order direct from a real online place!
Check out:
http://www.eportworks.com/ thats Lloyd Elliots webpage, I hear good things about him! Send him your stock heads and he custom grinds them to match his cams!