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AVS2 650 CFM Four-Barrel Carburetor with Manual Choke [Satin]
InfoVehicle Info Needed
EDELBROCKPART NUMBER: 350-1905

AVS2 650 CFM Four-Barrel Carburetor with Manual Choke [Satin]

$44595
More than 10 available
ShippingShips on Nov 09, 2026
Lowest PriceLowest Price Guarantee

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650 CFM
Manual Choke
AVS2 650 CFM Four-Barrel Carburetor
  • Manual Choke with Satin Aluminum Finish
  • Annular Flow Boosters for Better Fuel Atomization
  • 1.44 in. Primary and 1.75 in. Secondary Bores
  • Adjustable Float Level
  • Non-EGR Design

    650 CFM is the size most street small-blocks actually want, where an 800 would be too much carburetor for the displacement and airflow on tap. The AVS2 uses annular flow boosters to atomize fuel more finely at low airflow, which is exactly the condition a smaller engine spends its life in, and the float level can be set without draining the bowls.

    Edelbrock 1905 AVS2 Carburetor Specifications:

    • 650 CFM rating, four barrel, non-EGR.
    • Manual choke, satin aluminum finish.
    • 1.44 in. primary bores and 1.75 in. secondary bores, 3.25 in. body height.
    • Annular flow boosters, adjustable float level.
    • Confirm manual versus electric before ordering.

    Emissions Note:

    This part is only legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles or on vehicles used solely for the purposes of closed competition racing.

    CLICK THIS LINK FOR IMPORTANT CARB & EPA EMISSIONS INFORMATION ABOUT THIS PART

    • Since founder Vic Edelbrock Sr. began building performance intake manifolds in 1938, Edelbrock has grown into one of the most trusted names in American high-performance parts, from carburetors and intake manifolds to cylinder heads, crate engines, and EFI systems. JEGS has spent decades supplying Edelbrock components to racers, engine builders, and street enthusiasts, backing this extensive lineup with in-house technical support, fast shipping, and a Price Match Guarantee so you can choose proven Edelbrock parts with confidence.

    Show More

    AVS2 Series, The Next Generation Of Edelbrock Carburetors

    Edelbrock AVS2 carburetors feature annular flow primary boosters with enhanced calibration for improved off-idle and cruising performance. This design features eight equally spaced holes to improve fuel metering and atomization to eliminate any flat spots when transitioning from idle to throttle. Ideal for use with a wide variety of small-block and big-block engines with either dual-plane or single-plane intake manifolds. The AVS2 includes both timed and full vacuum ports for ignition advance.

    The elbrock AVS2 carburetors represent a refined evolution in fuel-delivery technology, engineered to eliminate flat spots and deliver smooth, efficient throttle response. These carbs feature annular-flow primary boosters—a design that utilizes eight uniformly spaced orifices to enhance fuel atomization and metering, resulting in seamless performance from idle through acceleration.

    Whether you're running a small-block or a big-block engine—paired with a dual-plane or single-plane intake—the AVS2 is calibrated for versatility and precision. It includes both timed and full vacuum ports to accommodate modern ignition systems.

    Why Choose AVS2?

    • Improved drivability: Annular boosters smooth out throttle transitions and offer crisp off-idle control.

    • Street-smart tuning: Compared to the older AVS model, the AVS2 shines in real-world driving conditions—offering better fuel economy, smoother cold starts, and superior low-RPM cruising.

    • Adaptable configurations: Available in 500-, 650-, and 800-CFM options, with choices in choke (manual or electric) and finish (satin, black, or chrome).

    This avs2 carburetor is a standout for anyone seeking a refined, all-around performance upgrade. If you’re installing an avs carb, you're gaining smoother throttle response, better fuel control, and street-ready flexibility. And if you're upgrading your ride with an avs2 carb, you’ll appreciate the combination of tunability, reliability, and drivability packed into these carbs.

    Experience a carburetor engineered not just for power, but for polished performance—every drive.

    Part TypeCarburetor
    Product LineEdelbrock AVS2 Carburetors
    BrandEDELBROCK
    Package Height6.6
    Package Width7.3
    Package Length13.4
    Weight8.7 PG
    Part CategoryPerformance Parts
    Secondary Jet Diameter0.098
    Flange ShapeSquare
    Gasket Or Seal IncludedYes
    Carburetor Height3.25 in (82.55 mm)
    Carburetor FinishSatin
    Adjustable Float LevelYes
    Mounting Hardware IncludedNo
    MaterialAluminum
    Spacer IncludedNo
    Maximum Flow Rating650
    Linkage AttachedYes
    Choke TypeElectric
    Barrel Quantity4
    Body Height3.25
    Primary Jet Diameter0.101
    Main Venturi Diameter1.19
    Part FitmentSemi Universal
    FinishSatin
    Grade TypePerformance
    Vendor Part Number1905
    Package Qty1
    Package TypeEA
    No Questions
    No Reviews
    Please click here to download the instructions PDF file
    Some parts are not legal for use in California or other states with similar laws / regulations
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