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

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

$90095
ShippingShips on Sep 11, 2026
Lowest PriceLowest Price Guarantee

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

    Proform 67199-ALC Race Series 650 CFM Alcohol, 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

    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 Width11.25
    Package Length13.5
    Weight9.8 PG
    Part CategoryPerformance Parts
    Primary Power Valve (Hg)N/A
    UsageDrag Racing
    Primary Discharge Nozzle Size0.046 in.
    Carburetor Type4150 Style Square Flange
    ChokeNone
    Primary Jet Size136
    Carburetor Height3.25 in (82.55 mm)
    Carburetor FinishPolished
    QuantitySold individually
    Primary Inner Air Bleed Sizes Included28
    Fuel InletDual
    BarrelFour
    Cfm650
    Supercharged ApplicationNo
    Primary Outer Air Bleed Sizes Included57
    Secondary Outer Air Bleed Sizes Included57
    Secondary Discharge Nozzle Size0.046 in.
    FuelAlcohol
    Booster TypeDown-leg
    Secondary TypeMechanical
    Secondary Jet Size136
    Part FitmentUniversal
    Secondary Inner Air Bleed Sizes Included28
    Vendor Part Number67199-ALC
    Package Qty1
    Package TypeEA
    No Questions
    No Reviews

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