Race Series 750 CFM Drag Race Gasoline Carburetor w/2-Step Down-Leg Boosters [Black Teflon Finish]
InfoVehicle Info Needed
PROFORMPART NUMBER: 778-67302

Race Series 750 CFM Drag Race Gasoline Carburetor w/2-Step Down-Leg Boosters [Black Teflon Finish]

$68895
4 left in stock
ShippingShips on Nov 09, 2026
Lowest PriceLowest Price Guarantee

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Drag Racing-Gasoline
Drag Race Carburetor
  • 750 CFM Gas
  • 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
  • Black

    Proform 67302 Black Race Series 750 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
    • Black diamond 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 Width11.3
    Package Length13.3
    Weight9.25 PG
    Part CategoryPerformance Parts
    Primary Power Valve (Hg)4.5 Hg
    UsageDrag Racing
    Primary Discharge Nozzle Size0.031 in (0.8 mm)
    Carburetor Type4150 Style Square Flange
    ChokeNone
    Primary Jet Size74
    Carburetor Height3.25 in (82.55 mm)
    Carburetor FinishBlack
    QuantitySold individually
    Primary Inner Air Bleed Sizes Included35
    Fuel InletDual
    BarrelFour
    Cfm750
    Supercharged ApplicationNo
    Primary Outer Air Bleed Sizes Included70
    Secondary Outer Air Bleed Sizes Included70
    Secondary Discharge Nozzle Size0.031 in (0.8 mm)
    FuelGasoline
    Booster TypeDown-leg
    Secondary TypeMechanical
    Secondary Jet Size83
    Part FitmentUniversal
    Secondary Inner Air Bleed Sizes Included35
    Package Qty1
    Package TypeEA
    No Questions
    No Reviews

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    Some parts are not legal for use in California or other states with similar laws / regulations
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