Finally an affordable high-performance race carburetor! PROFORMs new Race Series Carburetor is hand assembled in the U.S. utilizing the PROFORM High-Flow Carburetor Main Body, durable billet metering blocks, and a high performance billet throttle baseplate. The PROFORM Race Series Carb includes: PROFORM Carburetor Main Body, High-Flow Aluminum Main Body, Dyno-Proven Horsepower and Torque Gain, Adjustable, Screw-In Air Bleeds, Maximum Air Flow with No Air Horn, Choke Tower, or Choke Control. High-Rate Air-Flow Section Design. Uses standard service and tuning components, PROFORM Billet Throttle Base Plates, and Adjustable Secondary Air Flow Cam Bracket! Solid Billet Construction. Timed and Full Vacuum Tubes for Accessories and Tuning, Button Torx Head Throttle Plate Screws, Power Valve Blow Out Protection, Slip Link Mechanical Secondary Linkage, Serviceable Throttle Levers, PROFORM Billet Metering Blocks, and Solid Billet Construction! Durable, No Warping or Porosity Problems. Changeable Idle Feed Restriction. PROFORM Aluminum Fuel Bowls with Sight Glass Windows for easy float adjustment. Manufactured in the U.S.A. Sold individually.