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Holley 0-80572S 700 CFM Supercharger Double Pumper Carburetor
Holley 0-80572S 700 CFM Supercharger Double Pumper Carburetor

Holley 0-80572S 700 CFM Supercharger Double Pumper Carburetor

Universal Fit, 4-Barrel Carburetor Barrels, Gasoline Fuel Type, Manual Choke Type, 700 CFM CFM

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Holley 0-80572S 700 CFM Supercharger Double Pumper Carburetor
Holley 0-80572S 700 CFM Supercharger Double Pumper Carburetor
Holley 0-80572S 700 CFM Supercharger Double Pumper Carburetor
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Holley 0-80572S 700 CFM Supercharger Double Pumper Carburetor
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We estimate this item will ship on or before June 3rd.
Part # 425080572S
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Carburetor Barrels:
4-Barrel
Fuel Type:
Gasoline
Choke Type:
Manual
CFM Range:
700-799 CFM
CFM:
700 CFM
Carburetor Flange Type:
4-Barrel Square Bore
Finish:
Polished
Material Type:
Aluminum/Zinc
Secondary Type:
Mechanical
Model:
4150
Fuel Inlet Type:
Dual
Booster:
straight
Emission Code:
3
Supercharged Application:
Yes
Throttle Bore:
1.688 inch
Bolt Hole Pattern:
5.160" x 5.625"
MFG. Part #:
0-80572S
GTIN Code:
090127467428
Sold in Quantity:
Each

Info

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 Supercharger Double Pumper with a 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. These carburetors that are intended for use with superchargers, and have a unique capability that allows their power valves to reference the intake manifold vacuum below the supercharger. This allows the power valve to operate as it should, based off intake manifold vacuum. A power valve provides further enrichment to the main metering system under load (low vacuum) conditions. Without this external referencing, the power valve would be "reading" the supercharger vacuum, which has no bearing on the engine load.

  • Tumble polished shiny finish for good looks
  • Chevrolet small block 1x4 140 series supercharger
  • Manual (Cable driven, hand operated) choke for precise cold start control
  • Dual accelerator pumps for addition fuel under initial acceleration
  • Dual feed fuel inlets for constant high volume fuel delivery
  • Mechanical Secondaries for perfect off the line launches
  • Intended for lightweight vehicles w/ manual trans or automatics with high stall & low gearing
  • Boost referenced power valve for proper enrichment under acceleration
  • 100% wet-flow tested by Holley technicians to assure it arrives ready to run!

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Installation Instructions (PDF)

Installation Instructions (PDF)

Important Messages:

  • This item ships directly from the manufacturer. It may take an additional 2 business days for Holley to ship this item.
  • Get FREE shipping when your order includes this item and exceeds $99! Ground shipping only in the contiguous US.
  • This item ships via Ground Shipping only. Expedited and Air shipping options are not available.
Some parts are not legal for use in California or other states with similar laws/regulations

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