It's a brand new cast iron manifold, doesn't work with my turbo setup. Any normal turbo should be fine, my exhaust housing is oddly shaped and causes my downpipe to hit my brake lines. Ideally you could use an on-center turbine housing and have no clearance issues at all, but I'm positive the only reason I was having issues was due to my exhaust housing shape. Here's a generic picture of the manifold, only difference is that I ported the flange to match the square KA exhaust ports.
I found this picture online, as you can see it puts the turbo in a great location, much further away from the BMC than RevHard or the ebay tubular manifolds.
They're around $100 shipped on ebay, I'm asking $80 OBO. Contact me by replying to this thread, PM, or call/text me at 757-788-9847. I'm located in Raleigh near NCSU. Thanks for looking.
-Chris