JET PERFORMANCE HOLLEY 4 BBL STAGE 1 CARBURETOR -- 49-state legal; Not for sale or use in California; Cannot be shipped to California addresses; 600 CFM, Begins With The Disassembly And Inspection Of The Carburetor For Proper Sizing Of The Idle, Transition, Acceleration And Main Metering Circuits, Checked For Straightness And Booster, Reassembled Using The Highest Quality Parts And Minor Calibration Changes Condition: New Emissions: 49-State Legal - no CA shipments Product Fit: Minor Modifications Quantity Sold: Sold Individually Anticipated Ship Out Time: 2-3 business days Fuel Type: Gasoline Notes: For 600 cfm, square bore, no choke Part Number: 1850S1