Billet X-treme 4-Barrel Carburetor 850 CFM Vacuum Secondary
Product Discontinued
FST PERFORMANCE CARBURETORSPART NUMBER: 422-41850BB-2

Billet X-treme 4-Barrel Carburetor 850 CFM Vacuum Secondary

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This product is no longer available. Please call customer service for assistance at 1-800-345-4545.

Billet X-treme
  • Vacuum Secondary
    • Billet X-treme 4-Barrel Carburetor
    • 850 CFM
    • Vacuum Secondary
    • Without Choke
    • 4 Corner Idle
    • Center Hung Float
    • 2-Port X Fuel Bowl
    • Dual Fuel Inlet
    • Black Anodized Body
    • Red Anodized Metering Blocks
    • Black Anodized Throttle Body

      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

      Heavy Duty Bolt-On Fuel System Performance

      FST Billet X-treme Carburetors have a CNC-machined aluminum body and easy-to-tune billet 2-circuit metering blocks, making it ideal for someone wanting an impressive high-performance carburetor with easy adjustability.

      FST Billet X-treme Pro Carburetors are designed with maximum horsepower users in mind. The carb’s CNC-machined billet 3-circuit metering blocks allow high levels of fuel to flow through the bowls and into the engine for more firepower.

      FST Billet Excess Carburetor is for a track or road racer who is looking for performance on a budget. The carb’s CNC-machined billet aluminum bodies feature a 2 in. to 2.300 in. throttle body bore, a high-performance metering block, and a standard two-port X or high-capacity, three-port viper fuel bowl to deliver great pumping power for any fuel you use.

      FST Billet Excess Pro Carburetors provide top-notch performance with maximum adjustability. These professional-grade, high HP carbs have 3- to 4-circuit metering blocks that deliver extra fuel and airflow for the most power possible.

    Part TypeCarburetor
    Product LineFST Performance Billet Series Carburetors
    BrandFST PERFORMANCE CARBURETORS
    Package Height9.5
    Package Width12.5
    Package Length14.5
    Weight10.5 PG
    Part CategoryPerformance Parts
    Part FitmentSemi Universal
    Vendor Part Number41850BB-2
    Package Qty1
    Package TypeEA
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