Race Series 1050 CFM Drag Race Gasoline Carburetor w/2-Step Down-Leg Boosters [Black Teflon Finish]
InfoVehicle Info Needed
PROFORMPART NUMBER: 778-67305

Race Series 1050 CFM Drag Race Gasoline Carburetor w/2-Step Down-Leg Boosters [Black Teflon Finish]

$79495
ShippingShips on Oct 05, 2026
Lowest PriceLowest Price Guarantee

Drag Racing-Gasoline
Drag Race Carburetor
  • 1050 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 67305 Black Race Series 1050 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

  • Part TypeCarburetor
    BrandPROFORM
    Package Height7.6
    Package Width11.3
    Package Length13.4
    Weight9.05 PG
    Part CategoryPerformance Parts
    Primary Power Valve (Hg)4.5 Hg
    UsageDrag Racing
    Primary Discharge Nozzle Size0.035 in (0.9 mm)
    Carburetor Type4150 Style Square Flange
    ChokeNone
    Primary Jet Size87.5
    Carburetor Height3.25 in (82.55 mm)
    Carburetor FinishBlack
    QuantitySold individually
    Primary Inner Air Bleed Sizes Included31
    Fuel InletDual
    BarrelFour
    Cfm1050
    Supercharged ApplicationNo
    Primary Outer Air Bleed Sizes Included70
    Secondary Outer Air Bleed Sizes Included70
    Secondary Discharge Nozzle Size0.035 in (0.9 mm)
    FuelGasoline
    Booster TypeDown-leg
    Secondary TypeMechanical
    Secondary Jet Size91
    Part FitmentUniversal
    Secondary Inner Air Bleed Sizes Included31
    Package Qty1
    Package TypeEA
    No Questions
    No Reviews

    Items You Need

    Dual Feed Fuel Line Kit for Holley 4150 Carburetors [-6 AN, Black]

    JEGS

    Dual Feed Fuel Line Kit for Holley 4150 Carburetors [-6 AN, Black]

    Part Number : 555-110824
    $7199$77.69
    You Save$5.70
    Aluminum Carb Linkage Bushing 1/4"-28 Threaded

    JEGS

    Aluminum Carb Linkage Bushing 1/4"-28 Threaded

    Part Number : 555-15219
    $1559$16.99
    You Save$1.40
    Carburetor Cap Holley, AFB, Quadrajet

    JEGS

    Carburetor Cap Holley, AFB, Quadrajet

    Part Number : 555-15221
    $1559$16.99
    You Save$1.40
    Carburetor Spacer Phenolic 4150 4-Hole

    JEGS

    Carburetor Spacer Phenolic 4150 4-Hole

    Part Number : 555-15421
    $4118$43.99
    You Save$2.81
    Carburetor Work Stand 4150 Square Flange

    JEGS

    Carburetor Work Stand 4150 Square Flange

    Part Number : 555-15836
    $4299$47.99
    You Save$5.00
    Fuel Pressure Gauge 1 1/2 in. Diameter [Liquid Filled]

    JEGS

    Fuel Pressure Gauge 1 1/2 in. Diameter [Liquid Filled]

    Part Number : 555-41010
    $2199$24.99
    You Save$3.00
    Fuel Stabilizer 15oz Bottle

    LUCAS OIL

    Fuel Stabilizer 15oz Bottle

    Part Number : 639-10302
    $1128

    ITEM YOU MAY ALSO CONSIDER

    Brawler Race Carburetor 1050 CFM

    QUICK FUEL

    Brawler Race Carburetor 1050 CFM

    Part Number : 793-BR-67209
    $1,07595

    EASY KITS

    Some parts are not legal for use in California or other states with similar laws / regulations
    p65 warning
    Your Cart

    Your shopping cart is empty!