Based on your term for it, I'm thinking you were looking at this auction:
http://cgi.ebay.com/ws/eBayISAPI.dll...sPageName=WDVW
I would say that this would not be the intake for you, if you're looking for a street intake; in addition to the big shot needed to get it started, it needs (a lot of) extra shot for any kind of acceleration event. But more power to you if you want to make it work for you.
As for the intake in the auction above, I've never seen a top like that one has on it. I have two tops, and while one of them has a 1" deep divider running down its center, the divider runs from front to back, and doesn't totally seal off the plenum into two separate sections like the one in the auction. I was wondering if anyone has any ideas as to what the thinking was on the auction intake? Better signal to the carbs? Why separate the intake into front and back sections instead of the more 'normal' side by side plenums? And totally sealed off plenums?
The top on that intake looks like it was originally a 1x4 top with a couple of spacer plates welded on and a too-small opening into the two halves of the plenum created for each carb.
Ideas as to why?