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    • Quick Fuel Q-Series 650 CFM 4150 Carburetor | Mechanical Secondary, Polished | Q-650-B2
    • Quick Fuel Q-Series 650 CFM 4150 Carburetor | Mechanical Secondary, Polished | Q-650-B2
    • Quick Fuel Q-Series 650 CFM 4150 Carburetor | Mechanical Secondary, Polished | Q-650-B2
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    Sale!

    Quick Fuel Q-Series 650 CFM 4150 Carburetor | Mechanical Secondary, Polished | Q-650-B2

    Part Number: Q-650-B2
    Save $254
    Sale Price $1,013.95 Regular Price $1,267.95

    Available to order. In-stock orders typically ship in 1 to 2 business days.

    Not sure it fits your vehicle?
    Email sales@berryperformancesales.com with your year, make, model and engine, and we'll help you check fitment before you order.
    Fast Fulfillment: In-stock orders typically ship within 1 to 2 business days.
    Free Shipping on Orders Over $99 | Excludes freight shipments
    International Shipping Available: email sales@berryperformancesales.com for a quote.
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    The Quick Fuel Q-Series 650 CFM 4150 4-barrel carburetor (part Q-650-B2) is a performance carburetor built for non-emissions and racing use. It uses a mechanical secondary for its intended application. The aluminum body carries a polished finish. It is calibrated for Gasoline. Match carburetor airflow to the engine and vehicle before installation.

    • Series: Q-Series
    • Airflow: 650 CFM
    • Model: 4150 4-Barrel
    • Secondary: Mechanical
    • Choke: None (race)
    • Body material: Aluminum
    • Finish: Polished
    • Fuel type: Gasoline

    Emissions

    This carburetor is legal for sale and use on non-emissions-controlled (pre-emissions) vehicles and racing-use-only vehicles. It is not legal for sale or use on pollution-controlled motor vehicles. Verify your local requirements before purchase.

    FAQ

    Is it street or emissions legal?

    No. It is a performance carburetor for non-emissions-controlled and racing-use vehicles; it is not legal for use on pollution-controlled motor vehicles.

    How much airflow does the Q-650-B2 carburetor flow?

    It is rated at 650 CFM. Match carburetor CFM to your engine displacement and intended use for best results.

    What secondary system does it use?

    It uses a mechanical secondary. It is set up for racing use without a choke.

    What fuel is the Q-650-B2 calibrated for?

    It is calibrated for Gasoline. Do not run a fuel it is not set up for without proper tuning.

    Shipping Policy
    • Free shipping on orders over $99 (excludes freight shipments).
    • In-stock orders typically ship within 1 to 2 business days. Weekend and holiday orders are processed the next business day.
    • Orders ship from Defiance, Ohio and a nationwide network of warehouses and manufacturers.
    • Items showing an ETA are not in stock yet. ETAs come from the manufacturer and can change.
    • No P.O. Boxes. International orders need a shipping quote, so email us first.

    Read the full Shipping Policy

    Return Policy
    • 30-day return window from the ship date. Returns must be approved first; email sales@berryperformancesales.com with your order number.
    • Items must be unused, complete and in the original packaging.
    • A 20% restocking fee applies, and return shipping is paid by the buyer.
    • Not returnable: installed or modified parts, opened or used programmers and tuners, custom orders, Open Box, and Clearance or Final Sale items.
    • Damaged, defective or incorrect items must be reported within 48 hours of delivery with photos.

    Read the full Return Policy

    Disclaimer

    All products are sold for off-road use only unless otherwise specified. Buyer assumes all responsibility for installation and operation. Seller is not liable for any incidental, indirect, or consequential damages — including engine failure, labor costs, or vehicle downtime — resulting from the use of any product sold.

    By making a purchase from Berry Performance Sales, you acknowledge and agree to abide by the terms and conditions of these Policies.

    For any questions or concerns, please contact us — we’re always happy to help.

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