Ram IV valves
 

I was cleaning out my attic this weekend and found a set of NOS intake and exhaust valves I bought many years ago. I checked Ebay and saw on set of intakes for $800 and another for $400. I also saw a set of the Ram IV exhaust valves for $800.

That's a pretty wide range. Any thoughts on what these are worth? I don't have any more Ram IV stuff.