http://www2.***boat.com/image_center...igpics_192.JPG
The intake manifold was drilled and tapped for nitrous, that might make it easier to set up for EFI.
Those are just the heat shields in the pictures, i have a picture of the water jacketed heat shields that I'll try to post.
I believe Carson Brummett still makes the intercooler, PFM and Banks stopped making the other turbo stuff long ago.
Carreraboat, the stuff is still available.