Heavy Duty Bolt-On Fuel System Performance

FST Billet X-treme Carburetors have a CNC-machined aluminum body and easy-to-tune billet 2-circuit metering blocks, making it ideal for someone wanting an impressive high-performance carburetor with easy adjustability.

FST Billet X-treme Pro Carburetors are designed with maximum horsepower users in mind. The carb’s CNC-machined billet 3-circuit metering blocks allow high levels of fuel to flow through the bowls and into the engine for more firepower.

FST Billet Excess Carburetor is for a track or road racer who is looking for performance on a budget. The carb’s CNC-machined billet aluminum bodies feature a 2 in. to 2.300 in. throttle body bore, a high-performance metering block, and a standard two-port X or high-capacity, three-port viper fuel bowl to deliver great pumping power for any fuel you use.

FST Billet Excess Pro Carburetors provide top-notch performance with maximum adjustability. These professional-grade, high HP carbs have 3- to 4-circuit metering blocks that deliver extra fuel and airflow for the most power possible.