Part number for a 615 exhaust manifold?
 

I’m developing a kit to install the 616 engines into old Series Land Rovers like the one you see in my avatar. (You wouldn’t believe the interest there is in putting these engines into these trucks.) Anyway, among the things that need to be changed is the exhaust manifold to one off a 615 engine because of the center exit.

Can anyone give me the part number for the 615 exhaust manifold?

Thanks for you help!

Jim