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Holley Aluminum Spread-Bore Carburetor

Part # 0-80555S Be the first to write a review

650 CFM - 4175 - Vacuum Secondaries - Polished Aluminum - Gasoline , Replaces 0-80555C

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Holley Aluminum Spread-Bore Carburetor

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$799.95
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Do you like the tunability of Holley's modular carbs, but need to simply replace a Q-jet? The spread bore bolt pattern of the 0-80555S lets you do just that. It has vacuum secondaries and electric choke, so it is useable on a wide variety of vehicles. 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. ***The 0-80555S is a Model 4175 designed to fit GM spread bore passenger car and light truck applications. It is not compatible with Ford or Chrysler Spread bore applications. The 0-80555S is not recommended for any RV applications. The 0-80555S is not designed to pass any emission laws. The 0-80555S is to be used only for Uncontrolled (Non-Emmisions Controlled) Vehicles or competition/off road vehicles. A carburetor spacer could be required to clear certain components on stock applications such as the Mr. Gasket 3406.

Features:

  • 100% wet-flow tested by Holley technicians to assure it arrives ready to run!
  • Factory preset electric choke for easy startups
  • Single feed fuel inlet for easy installation
  • Universal calibration for easy bolt-on performance
  • Universal performance replacement for Q-Jet and other Spread-Bore carbs (4.25" wide spread bore bolt pattern)
  • Vacuum secondaries for use on wide variety of vehicles. Compensate for all vehicle weights, gearing & transmissions to allow smooth opening of secondaries.
  • Vibratory polished aluminum for good looks, weight savings and long lasting shine

About Holley

Holley Performance Brands is the undisputed leader in carburetors, fuel pumps, fuel injection, intake manifolds, fuel injection, and fuel systems.

Air Cleaner Flange Diameter5-1/8"
Air Cleaner Stud Size1/4-20 UNC
Barrel Quantity4
Barrels4
Billet ColorNone
Body ColorPolished Aluminum
Body FinishPolished
Body MaterialAluminum
BoosterStraight
Booster DesignStraight
Brand Holley
Carburetor MaterialZinc
Carburetor UseStreet
CategoryAir and Fuel Delivery
Carburetors and Components
CFM Rating650
Choke TypeElectric
Circuit Count2
ColorPolished Aluminum
ConditionNew
Cubic Feet Per Minute Rating650
Emission Code2
FinishPolished
Flange ShapeSpread
Flange TypeSpread Bore
FuelGasoline
Fuel InletSingle
Fuel TypeGasoline
Gasket Or Seal IncludedYes
Grade TypePerformance
Linkage AttachedYes
Marine ApprovedNo
MaterialAluminum
Model4175
Mounting Hole Quantity4
Part TypeCarburetor
Primary Inner Air Bleed Sizes Included63
Primary Jet Size62
Primary Outer Air Bleed Sizes Included97
Primary Power Valve6.5
Primary Power Valve (Hg)6.5
Primary Pump Nozzle Size40
Primary Throttle Bore Diameter1.375 IN
Product TypeCarburetor
Secondary Barrel TypeVacuum
Secondary Inner Air Bleed Sizes Included63
Secondary Jet Size81
Secondary Outer Air Bleed Sizes Included85
Secondary Power ValveNone
Secondary Throttle Bore Diameter2.000 IN
Secondary TypeVacuum
Spacer IncludedNo
Street LegalYes
Supercharger CompatibleNo
WarrantyManufacturer's Limited 90 Day Warranty
UPC090127425114
Part Number0-80555S
2

This part is legal for sale and use on Emissions Controlled Vehicles when used in accordance with the manufacturers application guide because it is a direct or consolidated replacement part.

The following vehicles are considered Emissions Controlled Vehicles:

  • 1966 and newer U.S. manufactured California Certified vehicles
  • 1968 and newer U.S. manufactured Federally Certified vehicles
  • 1968 and newer Foreign manufactured vehicle
This model of carburetor has the spread-bore flange bolt pattern only, 4.250" wide X 5.62 long. It replaces GM Rochester Q-jet carburetors.
Manufacturer's Limited 90 Day Warranty: See Details
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    Holley Aluminum Spread-Bore Carburetor
    Holley Aluminum Spread-Bore Carburetor
    $799.95