opinion on these heads?

[71chmark]

also what would I have to do to make these work? would pump gas (94 octane) be ok?

http://cgi.ebay.com/ebaymotors/Mopar-Race-Street-440-383-Aluminum-Heads-Procomp-Indy_W0QQitemZ320279162190QQcmdZViewItem?hash=item320279162190&_trksid=p3286.m14.l1318

[Moparal]

What rocker stands do they take? What valve stem size?  Are they raised ports? Not angle plug. Does it need a seperate valley pan?   These things arent mentioned. Bare heads for 849 buy now