1970 LS6 original Valve Covers on E Bay
 

I removed them from a legit LS6 car and changed them for repos 15 years ago when I didn't know better. Need replating, but 100% correct. I actuallly have 2 sets. Starting at $10 no reserve. Good Luck.
http://cgi.ebay.com/ebaymotors/ws/eBayIS...E%3AIT&rd=1