Ray,
I have a Ford racing Blue Thunder dual quad ,dual plane intake for sale. It worked great on my 460, picked up 3 tenths in the 1/4.Used for 2 1/2 years,10,000 miles. grey finish.I would get it polished before putting it on again.I paid 550 US, will sell for 400 US.
You can email me if interested in it.
pb_korness@telus.net
Perry.