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Holley 0-4777S 650 CFM Double Pumper Carburetor
Holley 0-4777S 650 CFM Double Pumper Carburetor

Holley 0-4777S 650 CFM Double Pumper Carburetor

Universal Fit, 4-Barrel Carburetor Barrels, Gasoline Fuel Type, Manual Choke Type, 650 CFM CFM

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Holley 0-4777S 650 CFM Double Pumper Carburetor
Holley 0-4777S 650 CFM Double Pumper Carburetor
Holley 0-4777S 650 CFM Double Pumper Carburetor
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Holley 0-4777S 650 CFM Double Pumper Carburetor
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Part # 42504777S
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  • Features an optimized street/strip calibration that works out-of-the-box
  • Has a manual choke (Cable driven, hand operated) for precise cold start control
  • Includes mechanical secondaries for awesome tire turning performance
  • Comes with dual accelerator pumps for additional fuel under initial acceleration
  • It is intended for lightweight vehicles w/ manual trans or automatics with high stall & low gearing

Details

Carburetor Barrels:
4-Barrel
Fuel Type:
Gasoline
Choke Type:
Manual
CFM Range:
600-699 CFM
CFM:
650 CFM
Carburetor Flange Type:
4-Barrel Square Bore
Finish:
Shiny
Material Type:
Aluminum
Secondary Type:
Mechanical
Model:
4150
Fuel Inlet Type:
Dual
New or Remanufactured:
New
Booster:
straight
Emission Code:
3
Supercharged Application:
No
Throttle Bore:
1.688 inch
Vacuum Ports:
1 timed (spark) port, 1 full, and 1 PCV port
Bolt Hole Pattern:
5.160" x 5.625"
MFG. Part #:
0-4777S
GTIN Code:
090127427392
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 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.

  • 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!

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Installation Instructions (PDF)

Installation Instructions (PDF)

Important Messages

  • Get FREE shipping when your order includes this item and exceeds $99! Ground shipping only in the contiguous US.
Some parts are not legal for use in California or other states with similar laws/regulations

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