Direct replacement components to turn a street carburetor into a high-performance carb: get that extra performance out of your ride in less than 30 minutes! Add up to 25-50 HP with PROFORM's 100% NEW, high-performance carburetor main body (no re-built components). Easy swap-in, swap-out installation utilizing existing metering blocks, fuel bowls, and baseplate. Involves only 14 screws. Has adjustable screw-in air bleeds, high-performance down-leg boosters. Get maximum air flow with no air horn, choke tower, or choke control. Comes with instructions, all necessary non-stick replacement gaskets, and high-performance jet kit. Technical Note:Main body does not retain vacuum advance port in original metering block. PROFORM is a registered trademark of Specialty Auto Parts USA, Inc. Holley® and Double Pumper® are registered trademarks of Holley Performance Products, Inc. No carburetor products sold under the PROFORM® trademark, including such parts as may fit with or replace a Holley® part number application, are designed, made, or endorsed by Holley Performance Products, Inc. or any other carburetor manufacturer.

Features:
For Use with Holley® 4150 750 CFM Carbs
  • No Air Horn
  • Features Adjustable Air Bleeds and High-Performance Annular Boosters
  • Natural Aluminum Finish
  • Comes with Gaskets and Jet Kit
  • PROFORM Parts Brand Product
  • Sold Individually
  • More From This Category

    Proform , Carburetor Metering Block Upgrade Conversion Kit, Fits 750-850 CFM Carbs; Black Anodized Billet Aluminum

    Proform , Carburetor Metering Block Upgrade Conversion Kit, Fits 750-850 CFM Carbs; Black Anodized Billet Aluminum

    $292.37

    View
    Holley FUEL LINE KIT

    Holley FUEL LINE KIT

    $283.30

    View
    Quick Fuel Standard Main Jet, Gas, #65, .065 in., Pair

    Quick Fuel Standard Main Jet, Gas, #65, .065 in., Pair

    $14.06

    View
    Quick Fuel Accelerator Pump Cam, Plastic, Light Blue, Each

    Quick Fuel Accelerator Pump Cam, Plastic, Light Blue, Each

    $11.09

    View
    Quick Fuel Air Bleeds, 10-32, .029 in., Pair

    Quick Fuel Air Bleeds, 10-32, .029 in., Pair

    $11.52

    View
    Quick Fuel Accelerator Pump Cams, Plastic, Holley/, Set of 8

    Quick Fuel Accelerator Pump Cams, Plastic, Holley/, Set of 8

    $49.54

    View