Demon carburetors are establishing new standards in performance. Different by design, race-winning Race Demons and King Demons by Barry Grant deliver performance on the track, while Road Demons and Speed Demon carbs deliver power and superb drivability on the street. Also available are the Mighty Demon carburetor, Crate Engine Demons, 2-barrel Demons, and Marine Demon carburetors.

Handcrafted in the USA from premium materials, Barry Grant fuel systems originate from a heritage that holds more wins, more records, and more championships than any other custom fuel-system manufacturer. Our products include: fuel pumps, fuel pressure regulators, fuel filters, carburetor rebuild kits, tuning and service parts.