The RPM and the Air Gap have the same carb pad height 5.35". So they are doable under the stock hood, usually with a drop base air-cleaner. The single plane intakes usually are taller, which will give you diffucties, with a stock hood.
Both intakes are rated at 1500-6500 rpm's.The Air Gap runs cooler. Since you have the RPM, it would be tough not to run it.