Name: Holley® 0-4777S - Double Pumper Carburetor
Brand: Holley
SKU: mpn5233444427
Price: 699.95 USD
Availability: InStock

Vehicle Fitment

American Motors

Avanti

Bentley

Bricklin

Buick

Cadillac

Checker

Chevy

Chrysler

Cunningham

DeSoto

Dodge

Dual-Ghia

Ford

GMC

International

Jeep

Kurtis

Lincoln

Mazda

Mercury

Nash

Oldsmobile

Packard

Plymouth

Pontiac

Shelby

Studebaker

Stutz

Sunbeam

Specifications

Barrel Quantity	4
Body Color	Polished
Body Finish	Polished
Booster	Straight
Booster Design	Straight
Carburetor Material	Aluminum
Carburetor Use	Performance and Race
CFM	650
Choke	Manual
Cubic Feet Per Minute Rating	650
Emission Code	3
Finish	Shiny
Flange Type	Square/4150
Fuel	Gasoline
Fuel Inlet	Dual
Linkage Attached	Yes
Marine Approved	No
Marine Use	No
Material	Aluminum
Model	4150
Mounting Hole Quantity	4
Primary Jet Diameter	67
Primary Main Jet	67
Primary Power Valve	6.5
Primary Pump Nozzle Size	28
Secondaries	Mechanical
Secondary Main Jet	73
Secondary Pump Nozzle Size	28
Spacer Included	No
Supercharged Application	No
Throttle Bore	1.688"
Vacuum Ports	1 timed (spark) port, 1 full, and 1 PCV port
Height	3.250"
Carburetor Type	Square Bore
Secondary Type	Mechanical
Booster Type	Down-Leg
Throttle Bore Size	1.688"
Fuel Type	Gasoline
Material	Zinc
Type	Universal
Quantity	1 Piece

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
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!

Product Details

Double Pumper Carburetor (0-4777S) by Holley®. 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.

Holley® - Warranty Holley® - Catalogs Holley Authorized Dealer FAQ Video About us

Brand:

Holley

Part Number:

0-4777S

UPC:

090127427392

Alternate MPN:

04777S

Warranty

Holley warrants its products to be free from defects in materials or workmanship for a period of 90 days. The warranty period begins on the date the product is delivered.

Holley Performance Products Limited Warranty specifically does not apply to products, which have been (a) modified or altered in any way; (b) subjected to adverse conditions, such as misuse, neglect, accident, improper installation or adjustment, dirt or other contaminants, water, corrosion, or faulty repair; or (c) used in other than those applications recommended by Holley Performance Products. Holley Performance Products also does not warrant, and disclaims all liability for products used in racing activities and/or applications other than those specifically recommended in the current brand catalog.

Holley limits the warranty on Metallic Ceramic Coatings to be free from defects in material and workmanship for a period of 90 days from the date of purchase. This limited coating warranty does not apply to any products which have been subjected to adverse conditions, such as high heat encountered during engine break-in or if used during any racing activity.

Holley Performance Products warrants its new marine products to be free from defects in material and workmanship for a period of 90 days from date of purchase. For the safety and protection of persons and property, all United States Coast Guard and other marine product safety installation and use requirements and recommendations must be carefully studied and applied. The above recommendations include, but are not limited to the recommendation that the installation, adjustment, and repair of Holley carburetors or other marine products must be performed only by a trained mechanic having adequate marine fuel system experience, and in strict compliance with the applicable Holley installation, maintenance, and other instructions. Failure to follow such requirements and recommendations will void this Holley Marine Limited Warranty, and Holley disclaims any responsibility and/or liability for accidents resulting from such failure.

Holley® Performance Products warrants its Holley® Street Avenger™ Carburetor to be free from defects in material and workmanship for the life of the product on parts and one year on repair labor. After a period of one year, Holley® will charge standard rates for repair labor. For any Holley® Street Avenger™ Carburetor used in any type racing or off-road use will only be covered by a one (1) year limited warranty on parts and labor.

Holley® Performance Products warrants its Holley® Marine Avenger™ Carburetor to be free from defects in material and workmanship for the life of the product on parts and one year on repair labor. After a period of one year, Holley® will charge standard rates for repair labor. For any Holley® Marine Avenger™ Carburetor used in any type racing or off-road use will only be covered by a one (1) year limited warranty on parts and labor.

Magnuson-Moss Warranty Act:

Legally, a vehicle manufacturer cannot void the warranty on a vehicle due to an aftermarket part unless they can prove that the aftermarket part caused or contributed to the failure in the vehicle (per the Magnuson Moss Warranty Act (15 U.S.C. 2302(C)) Learn More

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