I have been looking at these heads for about 10 years, they were always expensive but now they are outragous. My question is, does anyone have or know anyone that has a set. They make them for Clevelands and Chevys and were suppose to be developing heads for the 460 Ford but that seems to have faded away. The Cleveland heads use standard intake and exhaust manifold locations. I read an article in Super Ford 10 years ago or more but have never heard anymore about them. They sound like they should have taken off but never did. Check out their website. You will have to scroll down and look for the Pantera picture to find the Cleveland heads.
www.araoengineering.com