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
- CFM:
- 850
- Fuel:
- Gasoline
- Number of Barrels:
- 4
- Carburetor Flange:
- Square bore
- Choke:
- Manual
- Secondary Type:
- Mechanical
- Fuel Inlet:
- Dual
- Carburetor Material:
- Zinc
- Carburetor Finish:
- Tumble Polished
- Primary Jet Size:
- 80
- Secondary Jet Size:
- 80
- Primary Power Valve (Hg):
- 6.5
- Secondary Power Valve (Hg):
- N/A
- Primary Inner Air Bleed Sizes Included:
- N/A
- Secondary Inner Air Bleed Sizes Included:
- N/A
- Throttle Bore Size:
- 1.6880 in.
- Throttle Linkage Type:
- Universal
- Primary Pump Nozzle Size:
- 31
- Secondary Pump Nozzle Size:
- 31
- Carburetor Height (in.):
- N/A
- Ford Kickdown:
- No
- Booster Type:
- Down-leg
- Bowl Inlet Size:
- N/A
- Vacuum Ports:
- 1 timed (spark) port, 1 full, and 1 PCV port
- Universal:
- Yes
- Quantity:
- Sold individually.
