PROFORM's Next Gen Race Series carbs are now available for Circle Track racers! This Race Series Carburetor is hand assembled in the U.S. utilizing the PROFORM's Next Gen High-Flow Carburetor Main Body, durable billet metering blocks, a high performance billet throttle baseplate, and Next Gen 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 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. This Circle Track specific model also includes wedge shaped fuel bowl floats to reduce fuel build up while continuously turning. Race Series Circle Track Model 750 CFM Dual-Inlet/Four Barrel with Mechanical Secondaries Dual Pattern Mount Features Down-Leg Boosters No Choke Assembled with 100% New Components Carburetor - Circle Track - 4-Barrel - 750 CFM - Square Bore - No Choke - Mechanical Secondary - Dual Inlet - Silver / Purple Sold Individually Specifications Brand Proform Part Number 67215 Product Line Circle Track Race Series CFM 750 CFM Fuel Type Gasoline Secondary Style Mechanical Fuel Inlets Dual Mounting Flange Style Square Bore Number of Barrels 4 New/Remanufactured New Choke Type None Power Valve Size 4.5 Primary Jets 74 Secondary Jets 74 Seat Size 0.110 in Primary Pump Nozzle 0.031 in Secondary Pump Nozzle 0.031 in Base Plate Color Purple Base Plate Finish Anodized Main Body Material Aluminum Main Body Color Silver Main Body Finish Tumble Polished Metering Block Color Purple Metering Block Finish Anodized Fuel Bowl Finish Silver Quantity Each