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Holley

850 CFM Classic Holley Carburetor-Factory Refurbished

Electric Choke Vacuum Secondaries-4150

Part # FR-80531 Be the first to write a review
3

Emissions

This part is legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles.

See Emissions Details

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This is an official Holley Performance Factory Refurbished Carburetor. Factory Refurbished carbs are NOT old worn-out carbs that have been rebuilt. They are carbs that were returned under warranty. When these carbs are returned, we check them out and most of the time there is nothing wrong with them. Generally, they were simply adjusted out of working range by the installer. Since these carbs may show signs of a previous installation, our policy is not to sell them as new. Rather than scrapping them, we are making them directly available to the public. Not only does this help us control the costs of our new carbs, it allows you to get a great deal on a like-new carburetor! Factory Refurbished carbs have undergone a thorough inspection. Any damaged parts that would effect performance have been replaced and the carbs are solvent cleaned before being wet-flow-tested on Holley's state-of-the-art flow benches allowing them to be recalibrated to new carb specs. Factory Refurbished carbs may have scratches, blemishes, and other visual flaws from previous installation. Factory Refurbished Carburetors have limited availability. Classic Holley carbs have been a staple for rodders around the world for decades. They're the perfect performance upgrade for stock to mildly modified vehicles and have that classic Holley look. Holley's 0-80531 has the perfect calibration for GM's 502 crate engine. Dual feed fuel inlets assure you get all the fuel you need while its vacuum secondaries and electric choke make it amazingly universal. Plus, it is Gold Dichromate coated for durability and classic Holley looks. 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:

  • Gold Dichromate finish for corrosion resistance and classic Holley looks
  • Performance upgrade for stock to mildly modified vehicles
  • Universal calibration for easy bolt-on performance. Perfect calibration for GM 502 crate engines.
  • 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.
  • Dual feed fuel inlets for constant high volume fuel delivery
  • Compatible with GM, Chrysler, and Ford A/T kickdown linkage. Additional parts may be required.
  • Power valve blow-out protection
  • 100% wet-flow tested by Holley technicians to assure it arrives ready to run!

About Holley

Holley Performance Products has been the undisputed leader in fuel systems for over 100 years. Holley's products include carburetors, fuel pumps, fuel injection, intake manifolds, and much more. From start to finish, Holley has the parts to make your dream a reality.

Barrels4
Billet ColorNone
BoosterDown Leg
Brand Holley
CFM850
ChokeElectric
Circuit2
ConditionFactory Refurbished
Emission Code3
FinishGold Dichromate
FuelGasoline
Fuel InletDual
Marine UseNo
MaterialZinc
Model4150
Primary Main Jet78
Primary Power Valve4.5
Primary Pump Nozzle Size40
Product TypeFactory Refurbished Carburetor
SecondariesVacuum
Secondary Main Jet82
Supercharged ApplicationNo
Throttle Bore1.6875 inch
WarrantyLimited 90 Day
UPC090127649510
Part NumberFR-80531
3

This part is legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles.


The following vehicles are considered Uncontrolled (Non-Emissions Controlled) Vehicles:

  • 1965 and older U.S. manufactured California Certified vehicles
  • 1967 and older U.S. manufactured Federally Certified vehicles
  • 1967 and older Foreign manufactured vehicle


WARNING: It is against the law to install this part on an Emissions Controlled Vehicle


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
Holley Carburetor Selector
Instructions for Part# 0-80531
Carburetor Numerical Listing for Part #0-80531
We have limited stock on this part and on rare occasion receive more orders that can be filled.  If the part is oversold, backorders will be canceled and all payments will be refunded.
Limited 90 Day: See Details
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    *Free Shipping & Handling only offered to the contiguous US on orders over $100, excludes clearance parts and oversized packages.

    Some parts are not legal for use in California or other states with similar regulations.