Made in USA
67199 Race Series 650 CFM Drag Race Gasoline Carburetor w/2-Step Down-Leg Boosters
InfoVehicle Info Needed
PROFORMPART NUMBER: 778-67199

67199 Race Series 650 CFM Drag Race Gasoline Carburetor w/2-Step Down-Leg Boosters

$63595
ShippingShips on 11/19/2026
Lowest PriceLowest Price Guarantee

Drag Racing-Gasoline
Drag Race Carburetor
  • 650 CFM Gasoline
  • 2-Step Down-Leg Boosters
  • Mechanical Secondary
  • Billet Metering Blocks w/4-Corner Idle
  • 4150 Throttle Base Plate
  • High-Flow Main Body
  • Aluminum
  • Screw-In Air Bleeds
  • 4150 Square Bore
  • Non-Choke

    Proform 67199 Race Series650 CFM Gas, Drag Racing Model Carburetor with 2-Step Down-Leg Boosters Features:

    • High-flow carburetor main body with no air horn or choke tower
    • Billet metering blocks with fuel control baffling, changeable idle feed restriction, and adjustable screw-in air bleeds
    • High-performance billet throttle baseplate with adjustable secondary air flow cam bracket, power-valve blow-out protection, slabbed shafts, slip-link mechanical secondary linkage, and serviceable throttle levers
    • Aluminum fuel bowls with internal baffles, lower fuel ramp, and sight glass windows
    • Timed and full vacuum ports for accessories and tuning
    • Uses standard replacement and tuning parts
    • Vibratory tumble-polished finish
    Proform 67199 FAQs

    FAQ:

    Who makes Proform carbs?

    • Proform carbs are expertly crafted by skilled engineers and technicians at Proform, ensuring top-notch quality and performance for enthusiasts and racers alike.

    What should the fuel pressure be on a Proform carb?

    • For optimal performance, maintain a fuel pressure of 6 to 7 PSI on your Proform carburetor, like the Proform 67199, ensuring efficient fuel delivery and combustion.

    Is a 650 CFM carb too big for a 305?

    • No, the Proform 650 carb is a versatile choice for a 305 engine, providing optimal airflow and fuel mixture for enhanced performance without being excessively large.

    Experience the precision and power of the Proform 67199 - the ultimate choice for 650 carb enthusiasts.

    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

    • High-Flow Carburetors with Dyno-Proven Horsepower and Torque Numbers that Surpass the Competition

      Proform Race Series Carburetors deliver performance, adjustability, and tuneability over more expensive carburetors. Each one is hand-assembled for outstanding performance and quality.

      Show More

      Introducing the Proform Race Series Carburetor — a premium, U.S.-hand-assembled performance carburetor engineered to deliver serious gains in throttle response and airflow for both street and strip applications. Built from high-quality aluminum, this unit features a next-generation main body with contoured venturis and 2-step down-leg boosters, offering markedly improved fuel atomization and airflow control.

      Designed for the serious enthusiast, the Proform carb comes equipped with billet aluminum throttle base plates and metering blocks, along with adjustable screw-in air bleeds for fine-tuning. These enhancements reduce warping, maintain stable performance under load, and encourage more consistent runs.

      What sets this Proform Race Series carburetor apart is its versatility and user-friendly design. Whether you're building a high-revving small-block or a boosted monster, the high-flow main body and robust internals let you dial in just the right setup. With no choke tower (in many versions) and optional dual-feed plumbing, it simplifies your install while maximizing performance.

      In short: if you're searching for a carburetor that blends race-proven features with precision tuning capability at a great value, the Proform Race Series is your solution. Install it, tune it, and unleash more horsepower with confidence. Upgrade your fuel delivery today and get ready for gains you can feel the moment you hit the throttle.

    Part TypeCarburetor
    Product LineProform Race Series Carburetors
    BrandPROFORM
    Package Height7.5
    Package Width11.4
    Package Length13.4
    Weight9.5 PG
    Part CategoryPerformance Parts
    Primary Power Valve (Hg)4.5 Hg
    Primary Discharge Nozzle Size0.031 in (0.8 mm)
    ChokeNone
    Carburetor Height3.25 in (82.55 mm)
    Fuel InletDual
    Cfm650
    Supercharged ApplicationNo
    Primary Outer Air Bleed Sizes Included73
    Booster TypeDown-leg
    Secondary TypeMechanical
    FinishPowder Coated Chrome and Anodized
    Secondary Inner Air Bleed Sizes Included35
    UsageDrag Racing
    Carburetor Type4150 Style Square Flange
    Primary Jet Size71
    Carburetor FinishPolished
    QuantitySold individually
    Primary Inner Air Bleed Sizes Included35
    BarrelFour
    Secondary Outer Air Bleed Sizes Included73
    Secondary Discharge Nozzle Size0.031 in (0.8 mm)
    FuelGasoline
    Secondary Jet Size78
    Part FitmentUniversal
    Vendor Part Number67199
    Package Qty1
    Package TypeEA
    No Questions
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