Free shipping on orders over $100 - Details
ASK OUR EXPERTS
1-866-464-6553
Holley

850 CFM Classic Holley Carburetor

Electric Choke Vacuum Secondaries-4150

Part # 0-80531 Be the first to write a review
In Stock
Free Shipping
Your Price
$792.95
Suggested Retail
$882.00
Add to Wish List
Create a new list
Starting at $70 a month with Learn More
3

Emissions

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

See Emissions Details
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
Carburetor UseStreet
CFM850
ChokeElectric
Circuit2
ConditionNew
Emission Code3
FinishGold Dichromate
FuelGasoline
Fuel InletDual
Marine UseNo
MaterialAluminum
Model4150
Primary Main Jet78
Primary Power Valve4.5
Primary Pump Nozzle Size40
Product TypeCarburetor
SecondariesVacuum
Secondary Main Jet82
Secondary Power Valve4.5
Supercharged ApplicationNo
Throttle Bore1.6875 inch
WarrantyLimited 90 Day
UPC090127420102
Part Number0-80531
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
This model of carburetor has the square bore flange bolt pattern. It can replace Holley, Edelbrock, Carter AFB, and Autolite style carburetors with 5 3/16" x 5 5/8" bolt pattern. If you have a spreadbore style intake manifold, you will need an adapter to install this carburetor. Similar to the Mr. Gasket #1932.
Limited 90 Day: See Details
Reviews

    Your Review

    *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.