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  3. HOLLEY B-80507

HOLLEY B-80507 Cfm Barrel Carburetor 4150

fits model: 390.

B-80507 Holley 390 Cfm 4 Barrel Carburetor 4150

( Brand: Holley ), ( Manufacturer Part Number: B-80507 ), ( Choke Type: Mechanical ), ( Type: Carburetor ), ( Material: Aluminum ), ( Performance Part: Yes )

Review HOLLEY Cfm Barrel Carburetor 4150 fits 390

The Holley B-80507 390 CFM Barrel Carburetor, part of the 4150 series, is a high-performance automotive fuel delivery system designed to provide optimal engine response and fuel efficiency for various applications. This carburetor is engineered with a classic look, combining traditional design with modern technology.

The 4150 series barrel carburetor features a 390 CFM (cubic feet per minute) dual-plane intake design, suitable for high-performance engines that demand a significant fuel supply. The barrels are constructed from aluminum, ensuring lightweight yet durable construction. Each barrel is equipped with a 4150-style venturi and is topped with a chrome-plated aluminum upper.

The Holley B-80507 includes a 750 CFM accelerator pump and a 200 CFM power bulb, which ensure proper fuel delivery during acceleration and deceleration. The carburetor is equipped with a Holley 0-80 vacuum secondary, providing precise fuel mixture adjustments for various engine conditions.

The Holley B-80507 390 CFM Barrel Carburetor comes with a 1-1/16 inch primary bore and a 1-3/4 inch secondary bore. It is compatible with various engine sizes and applications, making it a versatile option for automotive enthusiasts. The carburetor is designed with a 3/8 inch NPT vacuum port and a 1/2 inch NPT fuel inlet.

Installation of the Holley B-80507 is made easier with the inclusion of a Holley 4150 intake manifold gasket, as well as various hardware required for mounting and adjustment. The carburetor also comes with a float bowl gasket, a float bowl mounting plate, and a float bowl venturi gasket.

The Holley B-80507 390 CFM Barrel Carburetor is an excellent choice for enthusiasts seeking a high-performance carburetor that offers both power and versatility. Its classic design, combined with modern engineering and advanced features, makes it a popular option for those looking to enhance the performance of their automotive engine.

The Holley B-80507 390 CFM Barrel Carburetor 4150 is a popular choice among automotive enthusiasts for its high performance and versatility. Here are some pros and cons to help you make an informed decision about purchasing this carburetor.

Pros:

1. High Flow Rate: The Holley B-80507 carburetor offers a high flow rate of 390 CFM, making it an excellent choice for high-performance applications.

2. Adjustable Features: This carburetor comes with adjustable features, including primary and secondary idle circuits, power valve, and main jet sizes.

3. Durable Construction: Holley carburetors are known for their durable construction, and the B-80507 model is no exception. It features billet aluminum construction and heavy-duty internal components.

4. Easy to Install: The Holley B-80507 carburetor is relatively easy to install, and it comes with detailed instructions and mounting hardware.

5. Improved Fuel Efficiency: This carburetor is designed to improve fuel efficiency by delivering the correct amount of fuel to the engine.

Cons:

1. Complexity: The adjustable features of this carburetor can make it more complex to set up and tune compared to a simpler carburetor.

2. Cost: The Holley B-80507 carburetor is more expensive than some other options on the market.

3. Requires Skills: Installing and tuning this carburetor requires a certain level of skill and experience, which may be a challenge for some users.

4. Fuel Pressure Regulator: This carburetor requires a separate fuel pressure regulator, which can add to the overall cost and complexity of the installation.

Conclusion:

The Holley B-80507 390 CFM Barrel Carburetor 4150 is a high-performance carburetor with numerous adjustable features, durable construction, and easy installation. However, it is more complex and expensive than some other options on the market. If you are looking for a high-performance carburetor and have the necessary skills and experience to tune it, then this may be an excellent choice for you. On the other hand, if you are looking for a simpler and more cost-effective option, you may want to consider other carburetors in the market.

Recommendation:

If you are looking for a high-performance carburetor with numerous adjustable features and don't mind the complexity and cost, then the Holley B-80507 390 CFM Barrel Carburetor 4150 is an excellent choice. However, if you are looking for a simpler and more cost-effective option, you may want to consider other carburetors in the market, such as the Edelbrock 1406 Performer Quadrajet or the Holley 2300 Double Pumper. Ultimately, the best choice depends on your specific needs, skills, and budget.

Details:

I'll include the Howe case with sale. Original owner of this Holley 390 Carb 4150 series, it was used for racing and kept in its case when not use.

part #: b80507 price

  • $795.00

specifications carbcoon:

  • for models: 390
  • brand: Holley
  • mpn: B-80507
  • choke type: Mechanical
  • type: Carburetor
  • material: Aluminum
  • performance part: Yes

general carbcoon:

  • condition: Used
  • Car Truck Parts Accessories > Air Fuel Delivery > Carburetors

payments carbcoon:

  • wallet: Paypal
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offer carbcoon:

  • sold: 0
  • quantity: 1
  • availability: In Stock
  • started: February 1, 2026
  • options: Ship-to-home

shipping carbcoon:

  • cost: $25.67
  • class: Standard, Economy
  • service: FedEx Ground / FedEx Home Delivery, FedEx Ground Economy, UPS Ground Saver, UPS Ground
  • transit: 4-9 Days
  • carrier: FedEx, UPS
  • type: Calculated

seller carbcoon:

  • rating: 100.0%
  • # reviews: 1087
  • city: Simi Valley, California

returns carbcoon:

  • time: 30 Days
  • paid by: Seller
  • policy: Returns Accepted
for models: 390, choke type: mechanical, type: carburetor, performance part: yes,
category: auto parts > car truck parts accessories > air fuel delivery > carburetors, material: aluminum, sku: 9967469039031741,

Holley B-80507 Is Similar To:

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1 offer $795.00 USD
  • Offer #1: $795.00 price + $0.00 shipping estimate = $795.00* total. The carburetor is manufactured by Holley and has a manufacturer part number of B/T. It features a square bore mounting flange and a special racing 390 cfm with four barrels and safety wired boosters as required.FREE SHIPPING

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