Found on 460ford.com, via grassrootsmotorsports.com:
That is what it looks like, and those are what they look like, and the bore spacing is so close and the bolt patterns are so close that it's essentially a bolt-together. The only minor, tiny, little, niggling problem is that the valve order is reversed so a custom cam is required.
On the other hand, a reverse rotation cam for a boat should work just fine...
The first one is missing 4 valves on the driver side head. I don't know Fords well, does the distributor go through the intake? Looks like a chunk of metal under the distributor.
Or is it more subtle?
On the second one, I swear the back half of the car looks like a Maverick