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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. Dont 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 60s.
Choke | Manual |
Flange | Square Bore |
Booster Type | Straight |
Material | Zinc |
Usage | Street/Strip |
Type | Automotive |
Barrel | Four |
Secondary Pump Nozzle Size | 28 |
Secondary Main Jet | 73 |
WARNING CA Proposition 65 Message | WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov |
Finish | Shiny |
CFM | 650 |
Secondary Type | Mechanical |
Emission | Without EGR |
Primary Power Valve | 6.5 |
Fuel Inlet | Dual |
Carburetor Type | 4150 |
Vacuum Port Quantity | 1 timed (spark); 1 full; 1 PCV |
Supercharged Application | No |
Fuel Type | Gasoline |
Throttle Bore | 1.688 in. |
WARNING CA Proposition 65 | Yes |
Primary Main Jet | 67 |
Weight | 0 |
Brand | Holley |
Part Number | 0-4777S |
Line Code | HLY |
UPC | 090127427392 |
Terminology | Carburetor |
For warranty information please contact
Auto-Wares.