HLY0-4777S

Holley

    No reviews yet Write a Review
    SKU:
    0-4777S
    MPN:
    0-4777S
    This item is currently out of stock, but can still be ordered. We will contact you with an estimated delivery date once we receive your order.
    $651.95

    HLY0-4777S

    Holley

      No reviews yet Write a Review
      SKU:
      0-4777S
      MPN:
      0-4777S
      This item is currently out of stock, but can still be ordered. We will contact you with an estimated delivery date once we receive your order.
      $651.95
      $651.95
      Upgrade Options:

      Description

      Holley Double Pumper® carburetors are a perfect performance upgrade for hot street cars and race vehicles. Double Pumper carburetors are an American icon when it comes to performance carburetors. From their roots as the premier carburetor on many factory muscle cars to powering thousands of vehicles across the finish line, the Double Pumper is a great choice whether you are burning up the street or the quarter mile. The Double Pumper is designed for use on lightweight vehicles with a manual transmission or an automatic transmission with a high stall and low rear end gears. The Double Pumper is available in a gold dichromate or tumble polished shiny finish and features dual accelerator pumps for additional fuel under initial acceleration; mechanical secondaries for great performance; dual feed fuel inlets for constant high volume fuel delivery and a manual choke for easy control of engine warm up. Don't trust your performance to just anyone, Holley is the only modular carburetor company that has been in business for over 100 years and has powered every NASCAR champion since the 60's.
    • Shiny finish for good looks
    • Optimized street/strip calibration that works out-of-the-box
    • Manual choke (Cable driven, hand operated) for precise cold start control
    • Mechanical secondaries for awesome tire turning performance
    • Dual accelerator pumps for additional fuel under initial acceleration
    • Dual feed fuel inlets for constant high volume fuel delivery
    • Intended for lightweight vehicles w/ manual trans or automatics with high stall & low gearing
    • 100% wet-flow tested by Holley technicians to assure it arrives ready to run!
    • Extra Information

      Brand:
      Holley
      pdm:CFM:
      650
      pdm:Choke:
      Manual
      pdm:Cubic Feet Per Minute Rating:
      650
      pdm:Choke Type:
      Manual
      pdm:Marine Approved:
      No
      pdm:Linkage Attached:
      Yes
      pdm:Booster:
      Straight
      pdm:Marine Use:
      No
      pdm:Carburetor Use:
      Performance and Race
      pdm:Emission Code:
      3
      pdm:Carburetor Material:
      Aluminum
      pdm:Flange Type:
      Square/4150
      pdm:Model:
      4150
      pdm:Fuel Inlet:
      Dual
      pdm:Fuel:
      Gasoline
      pdm:Finish:
      Shiny
      pdm:Booster Design:
      Straight
      pdm:Material:
      Aluminum
      pdm:Primary Jet Diameter:
      67
      pdm:Mounting Hole Quantity:
      4
      pdm:Grade Type:
      Performance
      pdm:Primary Power Valve:
      6.5
      pdm:Condition:
      New
      pdm:Brand:
      Holley
      pdm:Primary Main Jet:
      67
      pdm:Barrel Quantity:
      4
      pdm:Body Finish:
      Polished
      pdm:Body Color:
      Polished
      pdm:Barrels:
      4
      pdm:Product Type:
      Carburetor
      pdm:Secondary Main Jet:
      73
      pdm:Secondaries:
      Mechanical
      pdm:Sale Category:
      Carburetors and Components
      pdm:Secondary Pump Nozzle Size:
      28
      pdm:Warning:
      California Proposition 65
      pdm:Primary Pump Nozzle Size:
      28
      pdm:Throttle Bore:
      1.688 inch
      pdm:Supercharged Application:
      No
      pdm:line_code:
      HLY
      pdm:Vacuum Ports:
      1 timed (spark) port, 1 full, and 1 PCV port
      pdm:Warranty:
      Limited 90 Day
      pdm:Spacer Included:
      No
      pdm:internal_sku:
      HLY0-4777S

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