I don't mind having to run a valley cover, and I think my chances of finding a 337 manifold are slim, especially in my part of the world. I think I will go with the 440-2 manifold, and have Hughes deep port match it.

Originally Posted by AndyF
I do have MW size batwings that will work with a billet valley cover with the Stealth heads.


Andy, what are your part numbers for the batwings and valley cover that suit the Stealth MW port heads on an RB block?