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    • Proform For Use With Holley #4777 67100C
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    Proform For Use With Holley #4777 67100C

    Vendor: Proform
    Part Number: 67100C
    Regular Price $158.95

    Available to order. In-stock orders typically ship in 1 to 2 business days.

    Not sure it fits your vehicle?
    Email sales@berryperformancesales.com with your year, make, model and engine, and we'll help you check fitment before you order.
    Fast Fulfillment: In-stock orders typically ship within 1 to 2 business days.
    Free Shipping on Orders Over $99 | Excludes freight shipments
    International Shipping Available: email sales@berryperformancesales.com for a quote.
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    Now made of ALUMINUM! 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. PROFORM is a registered trademark of Specialty Auto Parts USA, Inc. Holley's and Double Pumper's are registered trademarks of Holley's Performance Products, Inc. This product is supplied by Specialty Auto Parts USA, Inc. and it is not endorsed by any other carburetor manufacturer. Technical Note: Main body does not retain vacuum advance port in original metering block.


    Proform For Use With Holley #4777 67100C


    Specifications:

    Needle & Seat 110
    Discharge Nozzle Size (Primary / Secondary) .031 in. / .031 in.
    Secondary Main Jet Size 83 / .093
    Air Bleed Size (Inner High Speed) 35 / 35
    Primary Main Jet Size 74 / .078
    Feature/Benefit Made of Aluminum
    Color Natural Aluminum Finish
    CFM 750 CFM
    Finish Natural
    Fuel Gasoline
    Fuel Bowl Gaskets Included Yes
    Main Body Material Lightweight Aluminum
    Material Aluminum
    Secondaries Mechanical Secondaries
    Technical Note Main body does not retain vacuum advance port in original metering block.
    Category Carbs
    Air Bleed Size (Outer Idle) 70 / 70
    Booster Style Down-Leg Boosters
    Idle/High Speed Air Bleed Sizes 73 / 73
    Fuel Bowl Screw Gaskets Included Yes
    Air Bleeds Included Yes
    Air Bleed Material Brass
    Description_ABR Carb Body
    Description_SHO Carburetor Main Body
    Description_INV Carb Main Body
    Description_INV Holley 650 thru 800 CFM
    Description_DEF Carburetor Main Body
    Description_ASC Engine Carburetor Main Body
    Description_ASC For Use With Holley #4777
    Description_LAB Engine Carburetor Main Body
    Description_LAB For Use With Holley #4777
    Description_DES Engine Carburetor Main Body
    Description_DES For Use With Holley #4777
    Description_EXT Engine Carburetor Main Body
    Description_EXT For Use With Holley #4777, 4778, 4779 and 4780 Carbs
    Description_EXT No Air Horn
    Description_EXT Adjustable Air Bleeds and High Performance Down-Leg Boosters
    Description_EXT Comes With Gaskets and Jet Kit
    Description_EXT Natural Aluminum
    Description_EXT 100% New
    Description_EXT Sold Individually
    Description_MKT Now made of ALUMINUM! 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. PROFORM is a registered trademark of Specialty Auto Parts USA, Inc. Holley's and Double Pumper's are registered trademarks of Holley's Performance Products, Inc. This product is supplied by Specialty Auto Parts USA, Inc. and it is not endorsed by any other carburetor manufacturer. Technical Note: Main body does not retain vacuum advance port in original metering block.


    Shipping Policy
    • Free shipping on orders over $99 (excludes freight shipments).
    • In-stock orders typically ship within 1 to 2 business days. Weekend and holiday orders are processed the next business day.
    • Orders ship from Defiance, Ohio and a nationwide network of warehouses and manufacturers.
    • Items showing an ETA are not in stock yet. ETAs come from the manufacturer and can change.
    • No P.O. Boxes. International orders need a shipping quote, so email us first.

    Read the full Shipping Policy

    Return Policy
    • 30-day return window from the ship date. Returns must be approved first; email sales@berryperformancesales.com with your order number.
    • Items must be unused, complete and in the original packaging.
    • A 20% restocking fee applies, and return shipping is paid by the buyer.
    • Not returnable: installed or modified parts, opened or used programmers and tuners, custom orders, Open Box, and Clearance or Final Sale items.
    • Damaged, defective or incorrect items must be reported within 48 hours of delivery with photos.

    Read the full Return Policy

    Disclaimer

    All products are sold for off-road use only unless otherwise specified. Buyer assumes all responsibility for installation and operation. Seller is not liable for any incidental, indirect, or consequential damages — including engine failure, labor costs, or vehicle downtime — resulting from the use of any product sold.

    By making a purchase from Berry Performance Sales, you acknowledge and agree to abide by the terms and conditions of these Policies.

    For any questions or concerns, please contact us — we’re always happy to help.

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