Mechanical Secondary Race Series 4bbl. Carburetors Affordable high-performance carburetors are hand-assembled in the U.S. using Proform components. Each includes a high-flow main body, and billet metering blocks and throttle base plates. Carbs have power valve blow-out protection, down leg-style boosters, adjustable screw-in air bleeds, timed and full vacuum ports, and welded throttle shafts. 650 CFM Carburetor Race Series - 4-Barrel - 650 CFM - Square Bore - No Choke - Mechanical Secondary - Dual Inlet - Silver / Purple - Each Specifications Brand Proform Part Number 67199 Product Line Race Series CFM 650 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 Booster Style Down Leg Accelerator Pump Dual Power Valve Size 4.5 Primary Jets 72 Secondary Jets 80 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 California Residents: Proposition 65 warning
