PROFORM's Race Series carbs just got better because now the Gas/Drag models are available with billet annular boosters for increased fuel atomization and better throttle response. PROFORM's new Race Series Carburetor is hand assembled in the U.S. utilizing the PROFORM's Next Gen (new in 2022) High-Flow Carburetor Main Body, durable billet metering blocks, a high performance billet throttle baseplate, and Next Gen (new in 2022) Aluminum Fuel Bowls. The PROFORM Race Series Carb includes: PROFORM High-Flow Carburetor Main Body with Dyno-Proven Horsepower and Torque Gain, Adjustable Screw-In Air Bleeds, No Air Horn, Choke Tower, or Choke Control, and the best part is that it uses standard service and tuning components. PROFORM Billet Throttle Base Plates with Adjustable Secondary Air Flow Cam Bracket, and Power Valve Blow Out Protection, Timed and Full Vacuum Tubes for Accessories and Tuning, Button Torx Head Throttle Plate Screws, Slabbed Shafts, Slip-Link Mechanical Secondary Linkage, Serviceable Throttle Levers. PROFORM Billet Metering Blocks that are Durable, No Warping or Porosity Problems, Changeable Idle Feed Restriction, and new Fuel Control Baffling. PROFORM Next Gen Aluminum Fuel Bowls that are Lightweight and include Sight Glass Windows for easy float adjustment, and in 2022 Internal Baffling and a Lower Fuel Ramp for Increased Fuel Control.