What carbs go with this 2x4 intake?

A pair of 400's would be great, super throttle response and 800 CFM on a wide open throttle run. What could be better? IDK, Brand new 400's maybe? To bad there not made that small anymore. SO, if you get "NEW" carbs, Edelbrock 500's will have to do. Just take the time to jet it correctly. IMO, the AVS style carb is the best for this.

From the Edelbrock site;

#1803/#1804 are calibrated for dual-quad applications and factory equipped with: Metering Jets - Primary .086, Secondary .077; Metering Rods - .065 x .057; #1804: Primary .086, Secondary .077; Metering Rods - .065 x .052; Step-Up Spring - orange (5" Hg).

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Everything else for this set up can be gotten from Edelbrock as well. Linkage, fuel lines, air cleaner, tuning kit.