http://cgi.ebay.com/ebaymotors/ws/eB...08470&rd=1
I have these heads on Ebay, 291 castings which were used on late COPO'S, matched date coded set, June 69, good for late July, August application. Have the bigger valves then 840's. Click on link above.
Thanks,
Motown [img]/ubbthreads/images/icons/cool.gif[/img]