I run cast iron ram manifolds, but run engine plates that bolt to the front and back of my engine and are welled to the frame. I think Hooker is making the headers again. One of the online speeds shops had the last 3 sets of headers left in stock. They have been hard to find in the past as you could only buy used sets.
A member is making some, motor mounts for Luvs and some other import trucks. powerbrace is his name or something like.
The web site is. Several members have used his stuff. You would have to search to find
http://www.powerbyace.com/