Hey everyone, Someone wants to sell me a pair of Ls1 stock ported heads (doesnt know who ported them) I asked a bunch of people and they said offer him $500, so i did and he basically laughed. The heads do include dual springs but they were used on a nitrous motor with some passes on them. what should I offer him for his heads?

 

What casting #'s are on them? Stock sized valves?

 

I have a set of used stock ported LS1 heads (853 casting). I got them from a guy who had him of his vette. He claimed he got 40 hp out of them. Im selling all my after market parts because I need to sell my car. Im going $275 +shipping. Stock valves. Not assymbled. I also have manley dual valves springs with locks, ti retainers and seats if your interested.