Upgrade your Double Pumper® with race-ready billet metering blocks! Primary block retains the original vacuum provisions. Secondary block has no power valve provision to fit the latest generation of carburetors. Kit includes necessary gaskets for conversion. These blocks have a four corner idle system provision (you must have the correct throttle body for the four corner idle system to work). Available in Black.

Features:
Fits 750-850 CFM 4150 Style Carburetors
  • Includes Primary & Secondary Blocks & Gaskets
  • High-Quality Billet Aluminum
  • Black Anodized Finish
  • PROFORM Parts Brand Product
  • Sold as One Kit
  • More From This Category

    Holley Carburetor, Main Body, 750 CFM, Square Bore, 4-Barrel, Ultra XP, Hard Core Gray, Each

    Holley Carburetor, Main Body, 750 CFM, Square Bore, 4-Barrel, Ultra XP, Hard Core Gray, Each

    $540.44

    View
    Holley Carburettor, Street, 500 CFM, 2300 Model, 2 Barrel, Manual, Gasoline, Gold Dichromate, Aluminum, Each

    Holley Carburettor, Street, 500 CFM, 2300 Model, 2 Barrel, Manual, Gasoline, Gold Dichromate, Aluminum, Each

    $1,135.16

    View
    Quick Fuel Carburettor, Main Body, Brawler 750CFM, Annular Boosters

    Quick Fuel Carburettor, Main Body, Brawler 750CFM, Annular Boosters

    $489.41

    View
    Holley Carburetor, Main Body, 2300, 2-Barrel, 0-4412C, Dichromate Finish, Each

    Holley Carburetor, Main Body, 2300, 2-Barrel, 0-4412C, Dichromate Finish, Each

    $324.47

    View
    Quick Fuel Carburettor, Street, 680 CFM, HR-Model, 4 Barrel, Electric, Gasoline, Aluminum, Shiny, Each

    Quick Fuel Carburettor, Street, 680 CFM, HR-Model, 4 Barrel, Electric, Gasoline, Aluminum, Shiny, Each

    $1,060.19

    View
    Holley Carburettor, Street Avenger, 870 CFM, 4150 Model, 4 Barrel, Electric, Gasoline, Shiny, Aluminum, Each

    Holley Carburettor, Street Avenger, 870 CFM, 4150 Model, 4 Barrel, Electric, Gasoline, Shiny, Aluminum, Each

    $1,126.84

    View