Maybe they're not new, but it's the first time I took some time to look at the HP carbs made out of mostly aluminum, lots of good changes and probably a whole lot more adjustable for racing and street!
Anybody parted with the $$$$$ to try one out yet?
Here's a link to the Holley site showing the carb and it's improvements;
Holley Performance Products 600CFM Shiny with Black Billet, Aluminum Ultra HP*0-80801BK