1. USED Car/Truck Carburetors Items
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  3. HOLLEY B-80507B/T

HOLLEY B-80507B-T Carburetor Carb Imca Racing Track Asphalt B-80507B/T Nascar Race

B-80507b Holley B-80507b/t Used 390 Carburator Carb Asa Imca Racing Oval Track Asphalt Nascar Race

( Brand: Holley ), ( Manufacturer Part Number: B-80507B/T ), ( Type: Carburetor ), ( Mounting Flange Type: Square Bore ), ( Features: Special Racing 390 Asa )

Review HOLLEY B-80507b/t Used Carburator Carb Asa Imca Racing Oval Track Asphalt Nascar Race fits 390

The Holley B-80507B/T 390 carburetor is a high-performance, single-plug racing carburetor specifically designed for Nascar racing applications on asphalt tracks. This carburetor is engineered to deliver precise fuel delivery and consistent power delivery across the entire RPM range, making it an ideal choice for competitive racing applications.

The Holley 390 carburetor features a proven design with a pedestal-mounted configuration, allowing easy installation and adjustability. The bore size is 3.90 inches, and it comes equipped with a 750 CFM primary and 1050 CFM secondary venturi. The secondary metering rods are adjustable, enabling fine-tuning of the fuel mixture for optimal engine performance.

The Holley B-80507B/T 390 carburetor is constructed from high-quality materials, including a cast aluminum base and billet aluminum components. It also comes with a fuel bowl drain plug, making it easy to change the fuel mixture, and a float bowl gasket kit, ensuring a proper seal and consistent fuel level.

Additionally, this carburetor is designed for use with electronic fuel injection (EFI) systems, including Holley's own Dominator EFI and HP EFI systems. This integration allows for even more precise fuel delivery and tuning capabilities.

Other notable features of this carburetor include a vacuum secondaries system, which provides additional power through the use of a vacuum diaphragm, and a built-in fuel pressure regulator, allowing for consistent fuel pressure regardless of engine RPM. This carburetor is also CARB certified, making it an excellent choice for racers in California and other areas with stringent emissions regulations.

In summary, the Holley B-80507B/T 390 carburetor is a high-performance, adjustable, and reliable racing carburetor specifically designed for use on asphalt Nascar tracks. Its proven design, easy adjustability, and integration with electronic fuel injection systems make it an excellent choice for racers seeking consistent power delivery and optimal engine performance.

The Holley B-80507B/T 390 carburetor is a popular choice among racers in asphalt Nascar racing due to its high performance capabilities. Let's examine some pros and cons of this carburetor:

**Pros:**

1. High Performance: The Holley B-80507B/T 390 carburetor is designed for high-performance applications. It provides excellent fuel delivery and atomization for efficient combustion, which results in increased horsepower and torque.

2. Adjustability: This carburetor offers a high level of adjustability, allowing racers to fine-tune the air/fuel mixture for different track conditions. It has multiple adjustable features, such as the primary and secondary metering rods, power valve, and idle mixture screws.

3. Durable Construction: The Holley B-80507B/T 390 carburetor is made of high-quality materials and is built to withstand the rigors of racing. It features a robust cast aluminum body and hardened steel components, ensuring longevity and durability.

4. Easy Installation: The installation process for this carburetor is generally straightforward, making it a popular choice among racers. It comes with detailed instructions and mounting hardware, making the installation process smoother.

**Cons:**

1. Complexity: The Holley B-80507B/T 390 carburetor is a high-performance carburetor, and as a result, it can be complex to set up and adjust optimally. It may require some technical expertise and hours of tuning to achieve the perfect air/fuel mixture for your specific application.

2. Price: The Holley B-80507B/T 390 carburetor is a high-performance carburetor, and the price reflects its capabilities. It may be more expensive than some other options, but the performance benefits may justify the investment for some racers.

3. Customization: To optimize the performance of this carburetor, some customization may be necessary, which could add to the cost and complexity. For example, you may need to invest in aftermarket components such as fuel pressure regulators, fuel pumps, or specialized fuel systems.

**Conclusion:**

The Holley B-80507B/T 390 carburetor is an excellent choice for asphalt Nascar racing applications due to its high performance capabilities, adjustability, and durable construction. However, it is a complex and expensive option that may require a significant investment in time and resources to optimize its performance.

**Recommendation:**

If you are an experienced racer looking for the highest level of performance and are willing to invest time and resources into tuning and customization, the Holley B-80507B/T 390 carburetor is an excellent choice. However, if you are a beginning racer or have limited resources, there may be other less expensive and simpler carburetor options that would better suit your needs. It's essential to consider your specific racing application, budget, and technical expertise before making a decision.

Details:

The carburetor is manufactured by Holley and has a manufacturer part number of B-80507B/T. It features a square bore mounting flange and special racing 390 cfm with four barrels safety wired boosters as required. The product is a used Holley 390 carburetor designed for racing applications, specifically oval track asphalt in organizations such as ASA and NASCAR.

part #: b80507b price

  • $795.00

specifications carbcoon:

  • brand: Holley
  • mpn: B-80507b/t
  • type: Carburetor
  • mounting flange type: Square Bore
  • features: Special Racing 390 Asa

shipping carbcoon:

  • type: Fixed
  • service: USPS Ground Advantage
  • cost: $0.00
  • carrier: USPS
  • transit: 4-10 Days
  • class: Standard

seller carbcoon:

  • # reviews: 8037
  • city: Mesquite, Texas
  • rating: 99.5%

general carbcoon:

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

offer carbcoon:

  • options: Ship-to-home
  • quantity: 1
  • started: February 3, 2025
  • availability: In Stock
  • sold: 0

returns carbcoon:

  • policy: Returns Accepted
  • time: 30 Days
  • paid by: Buyer

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  • wallet: Google-pay
  • credit card: Diners-club
type: carburetor, mounting flange type: square bore, features: special racing 390 asa,
category: auto parts > car truck parts accessories > air fuel delivery > carburetors, sku: 4391604376085622,

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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 /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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