Description

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

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

Specifications

Air Cleaner Flange Diameter5-1/8"
Air Cleaner Stud Size1/4-20 UNC
Barrel Quantity4
Barrels4
Billet Colour
Body ColourPolished
Body FinishPolished
Body MaterialAluminum
BoosterStraight
Booster DesignStraight
BrandHolley
Carburetor MaterialZinc
Carburetor UseStreet
CFM650
ChokeElectric
Choke TypeElectric
Circuit2
ConditionNew
Cubic Feet Per Minute Rating650
Emission Code2
FinishPolished
Flange TypeSpread Bore
FuelGasoline
Fuel InletSingle
Gasket Or Seal IncludedYes
Grade TypePerformance
Linkage AttachedYes
Marine ApprovedNo
Marine UseNo
MaterialAluminum
Model4175
Mounting Hole Quantity4
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 Bore1.375
Product TypeCarburetor
Sale CategoryCarburetors and Components
SecondariesVacuum
Secondary Barrel TypeVacuum
Secondary Inner Air Bleed Sizes Included63
Secondary Jet Size81
Secondary Outer Air Bleed Sizes Included85
Secondary Power Valve
Secondary Throttle Bore2.000
Secondary TypeVacuum
Spacer IncludedNo
Street LegalYes
Supercharged ApplicationNo
WarrantyLimited 90 Day

Compatibility

  • Universal Part

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

  • Vibratory polished aluminum for good looks, weight savings and long lasting shine
  • Universal performance replacement for Q-Jet and other Spread-Bore carbs (4.25" wide spread bore bolt pattern)
  • Universal calibration for easy bolt-on performance
  • Factory preset electric choke for easy startups
  • Vacuum secondaries for use on wide variety of vehicles. Compensate for all vehicle weights, gearing & transmissions to allow smooth opening of secondaries.
  • Single feed fuel inlet for easy installation
  • 100% wet-flow tested by Holley technicians to assure it arrives ready to run!
Air Cleaner Flange Diameter5-1/8"
Air Cleaner Stud Size1/4-20 UNC
Barrel Quantity4
Barrels4
Billet Colour
Body ColourPolished
Body FinishPolished
Body MaterialAluminum
BoosterStraight
Booster DesignStraight
BrandHolley
Carburetor MaterialZinc
Carburetor UseStreet
CFM650
ChokeElectric
Choke TypeElectric
Circuit2
ConditionNew
Cubic Feet Per Minute Rating650
Emission Code2
FinishPolished
Flange TypeSpread Bore
FuelGasoline
Fuel InletSingle
Gasket Or Seal IncludedYes
Grade TypePerformance
Linkage AttachedYes
Marine ApprovedNo
Marine UseNo
MaterialAluminum
Model4175
Mounting Hole Quantity4
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 Bore1.375
Product TypeCarburetor
Sale CategoryCarburetors and Components
SecondariesVacuum
Secondary Barrel TypeVacuum
Secondary Inner Air Bleed Sizes Included63
Secondary Jet Size81
Secondary Outer Air Bleed Sizes Included85
Secondary Power Valve
Secondary Throttle Bore2.000
Secondary TypeVacuum
Spacer IncludedNo
Street LegalYes
Supercharged ApplicationNo
WarrantyLimited 90 Day
  • Universal Part

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