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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.
Holley Double Pumper Carburetor - 0-4777S
$699.95
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 Specifications:
- Product Details: 650 CFM - 4150 - Mechanical Secondaries - Shiny - Gasoline
- Adjustable Air Bleeds: No
- Adjustable Emulsion Bleeds: No
- Adjustable Idle Feed Restrictors: No
- Air Cleaner Flange Diameter: 5-1/8
- Barrel Quantity: 4
- Barrels: 4
- Barrels Quantity: 4
- Body Color: Polished
- Body Finish: Polished
- Body Material: Aluminum
- Booster: Straight
- Booster Design: Straight
- Carburetor Material: Aluminum
- Carburetor Use: Performance and Race
- CFM: 650
- CFM Rating: 650
- Choke: Manual
- Choke Type: Manual
- Circuit Count: 2
- Color: Polished Aluminum
- Condition: New
- Cubic Feet Per Minute Rating: 650
- Finish: Polished
- Flange Shape: Square
- Flange Type: Square/4150
- Float Level: Externally Adjustable
- Fuel: Gasoline
- Fuel Inlet: Dual
- Fuel Inlet Center to Center: 9.5
- Fuel Inlet Count: Dual
- Fuel Inlet Type: 5/8-18 Inverted Flare
- Fuel Type: Gasoline
- Gasket Or Seal Included: Yes
- Grade Type: Street/Strip
- Linkage Attached: Yes
- Marine Approved: No
- Marine Use: No
- Material: Aluminum
- Meter Block Material: Cast Aluminum
- Metering Block Color: Shiny
- Model: 4150
- Mounting Hardware Included: No
- Mounting Hole Quantity: 4
- Part Type: Carburetor
- Primary Float Type: Center Hung Nitrophyl
- Primary Jet Diameter: 67
- Primary Main Jet Size: 67
- Primary Power Valve: 6.5
- Primary Pump Nozzle Size: 28
- Primary Throttle Bore Diameter: 1.688
- Primary Venturii Diameter: 1.25
- Product Type: Carburetor
- Secondaries: Mechanical
- Secondary Barrel Type: Mechanical
- Secondary Float Type: Center Hung Nitrophyl
- Secondary Jet Extensions: No
- Secondary Main Jet Size: 73
- Secondary Pump Nozzle Size: 28
- Secondary Throttle Bore Diameter: 1.688
- Series: Double Pumper
- Spacer Included: No
- Supercharged Application: No
- Throttle Bore Diameter: 1.688 inch
- Throttle Kickdown Provision(S): Compatible with GM, Chrysler, and Ford A/T kickdown linkage
- Vacuum Ports: 1 timed (spark) port, 1 full, and 1 PCV port
Installation Notes:
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.