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Holley

Holley Double Pumper Carburetor

Part # 0-4779S
1 Review

750 CFM - 4150 - Mechanical Secondaries - Shiny - Gasoline

Holley Double Pumper Carburetor

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Free Shipping - Lower 48 US States
Advertised Price $749.95
$673.95
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3

Emissions

This part is legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles.

See Emissions Details
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.

Features:

  • 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
  • 4 corner idle allows you to precisely control your idle system
  • 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!

About Holley

Holley Performance Brands is the undisputed leader in carburetors, fuel pumps, fuel injection, intake manifolds, fuel injection, and fuel systems.

Barrel Quantity4
Barrels4
Body ColorPolished Aluminum
Body FinishPolished
Body MaterialAluminum
BoosterDownleg
Booster DesignDownleg
Brand Holley
Carburetor MaterialAluminum
Carburetor UsePerformance and Race
CategoryAir and Fuel Delivery
CFM Rating750
ChokeManual
Choke TypeManual
ColorPolished Aluminum
ConditionNew
Cubic Feet Per Minute Rating750
Emission Code3
FinishPolished
Flange ShapeSquare
Flange TypeSquare/4150
FuelGasoline
Fuel InletDual
Fuel TypeGasoline
Grade TypePerformance
Linkage AttachedYes
Marine ApprovedNo
MaterialAluminum
Model4150
Mounting Hole Quantity4
Part TypeCarburetor
Primary Jet Diameter70
Primary Main Jet Size70
Primary Power Valve6.5
Primary Pump Nozzle Size28
Product TypeCarburetor
Secondary Barrel TypeMechanical
Secondary Main Jet Size80
Secondary Pump Nozzle Size31
Spacer IncludedNo
Sub CategoryCarburetion
Supercharger CompatibleNo
Throttle Bore Diameter1.688 inch
Vacuum Ports1 timed (spark) port, 1 full, and 1 PCV port
WarrantyManufacturer's Limited 90 Day Warranty
UPC090127427071
Part Number0-4779S
3

This part is legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles.


The following vehicles are considered Uncontrolled (Non-Emissions Controlled) Vehicles:

  • 1965 and older U.S. manufactured California Certified vehicles
  • 1967 and older U.S. manufactured Federally Certified vehicles
  • 1967 and older Foreign manufactured vehicle


WARNING: It is against the law to install this part on an Emissions Controlled Vehicle


The following vehicles are considered Emissions Controlled Vehicles:

  • 1966 and newer U.S. manufactured California Certified vehicles
  • 1968 and newer U.S. manufactured Federally Certified vehicles
  • 1968 and newer Foreign manufactured vehicle
Holley Carburetor Selector
Instructions - techlibrary_carb_numerical_listing.pdf
Instructions - 199r7923-2rev2.pdf
This model of carburetor has the square bore flange bolt pattern. It can replace Holley, Edelbrock, Carter AFB, and Autolite style carburetors with 5 3/16" x 5 5/8" bolt pattern. If you have a spreadbore style intake manifold, you will need an adapter to install this carburetor. Similar to the Mr. Gasket #1932.
Manufacturer's Limited 90 Day Warranty: See Details
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*Free Shipping and Handling only offered to the contiguous US on orders over $149, excludes clearance parts and oversized packages.

Some parts are not legal for use in California or other states with similar regulations.

Holley Double Pumper Carburetor
Holley Double Pumper Carburetor
Advertised Price $749.95
$673.95
Save $76.00