HOLLEY 0-80845HB Demon Cfm Carburetor Barrel

( Brand: Holley ), ( Manufacturer Part Number: 0-80845HB ), ( Choke Type: Mechanical ), ( Type: Carburetor ), ( Mounting Flange Type: Square Bore ), ( Manufacturer Warranty: 1 Year ), ( Items Included: Mounting Hardware, Gasket ), ( Features: Down Draft ), ( Material: Aluminum ), ( Universal Fitment: Yes )

Review HOLLEY Demon Cfm Carburetor Barrel Chevy Ford Mopar fits 850

Holley 0-80845-HB Demon 850 CFM Carburetor - Ideal Fuel Delivery Solution for Chevy, Ford, and Mopar Muscle Cars

The Holley 0-80845-HB Demon 850 CFM Carburetor is an advanced fuel delivery system specifically designed for muscle cars with Chevrolet, Ford, and Mopar engine applications. This high-performance carburetor boasts a massive 850 cubic feet per minute (CFM) airflow capacity, making it an excellent choice for enthusiasts seeking optimal power and throttle response.

Constructed from robust materials, this Holley carburetor features a billet aluminum base and domed aluminum top. The barrels are made from cast aluminum, ensuring durability and reliability under even the most demanding driving conditions. The Demon series carburetor is also equipped with a unique vacuum secondary system, which provides a significant power boost by increasing fuel delivery during vacuum conditions.

1. 850 CFM airflow capacity

2. Billet aluminum base

3. Domed aluminum top

4. Cast aluminum barrels

5. Vacuum secondary system

6. Integrated electric choke

7. Adjustable idle mixture screws

8. 1050 CFM air cleaner

9. Holley's exclusive H-DURB base gasket

10. Compatibility with various fuel systems, including EFI, mechanical, or return-style

Holley's Demon series carburetors are renowned for their high-performance capabilities and ease of tuning. With adjustable idle mixture screws, you can fine-tune your engine's idle for optimal performance and fuel efficiency. The included 1050 CFM air cleaner ensures that your engine receives clean air for optimal combustion, while the integrated electric choke provides quick, reliable starting.

This Holley carburetor is compatible with various fuel systems, including EFI, mechanical, or return-style, making it a versatile choice for a wide range of muscle cars. Harnessing the power of Holley's legendary carburetor technology, the 0-80845-HB Demon 850 CFM Carburetor is an excellent investment for those seeking unparalleled power, throttle response, and tunability for their Chevy, Ford, or Mopar muscle car.

The Holley 0-80845-HB Demon 850 CFM carburetor is a popular choice among performance enthusiasts for American V8 engines. Here are some pros and cons to help you make an informed decision:

1. High Flow Design: The Demon 850 CFM carburetor is designed to provide excellent airflow for high-performance applications, making it suitable for V8 engines in Chevy, Ford, and Mopar vehicles.

2. Easy Installation: Holley carburetors are known for their ease of installation, and the Demon 850 CFM is no exception. It comes with all necessary hardware and clear instructions.

3. Adjustability: The Demon 850 CFM carburetor offers easy tunability through its primary and secondary metering rods, allowing for fine-tuning of the fuel mixture for optimal engine performance.

4. Durable Construction: The carburetor is built with heavy-duty materials and components, ensuring durability and long-lasting performance.

5. Improved Power: Installing a high-performance carburetor like the Demon 850 CFM can result in increased horsepower and torque, leading to better acceleration and overall engine performance.

1. Complexity: Carburetors can be more complex than fuel injection systems, requiring regular maintenance and tuning to ensure optimal performance.

2. Fuel Economy: Carburetors generally do not offer the same level of fuel efficiency as modern fuel injection systems, which could lead to increased fuel consumption.

3. Cold Start Issues: Carburetors may struggle to provide proper fuel mixture during cold starts, potentially causing difficult starting conditions.

4. Emissions: Carburetors can produce higher emissions than fuel injection systems, which could be a concern for those living in areas with strict emissions regulations.

The Holley 0-80845-HB Demon 850 CFM carburetor offers excellent airflow, ease of installation, and adjustability, making it an attractive choice for high-performance applications in American V8 engines. However, it comes with some drawbacks, such as complexity, potential cold start issues, and decreased fuel efficiency. Ultimately, the decision to purchase this carburetor depends on your specific needs, budget, and priorities.

If you're looking for improved engine performance and are willing to accept the complexities and maintenance requirements of a carburetor, the Holley 0-80845-HB Demon 850 CFM carburetor could be an excellent choice for your Chevy, Ford, or Mopar V8 engine. However, if fuel efficiency, ease of use, and reduced emissions are priority, you may want to consider a fuel injection system instead.

Details:

I have a 850 demean fresh carb everything works and polished.

part #: 080845hb prices

• $1616.12-$1796.84

specifications carbcoon:

• for models: 850
• for makes: Chevy, Ford, Mopar
• brand: Holley
• mpn: 0-80845hb
• choke type: Mechanical
• type: Carburetor
• mounting flange type: Square Bore
• manufacturer warranty: 1 Year
• items included: Mounting Hardware, Gasket
• features: Down Draft
• material: Aluminum
• universal fitment: Yes

payments carbcoon:

• other
• wallet: Google-pay
• credit card: Diners-club

shipping carbcoon:

• class: Expedited
• type: Calculated
• service: USPS Priority Mail
• cost: $32.18
• carrier: USPS
• transit: 5-12 Days

returns carbcoon:

• policy: No Returns

offer carbcoon:

• sold: 0
• started: December 6, 2025
• options: Ship-to-home
• best offers: True
• quantity: 1
• availability: In Stock

general carbcoon:

• condition: New other see details
• Car Truck Parts Accessories > Air Fuel Delivery > Carburetors

seller carbcoon:

• city: Rosenberg, Texas
• # reviews: 165
• rating: 100.0%

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