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  3. HOLLEY 3868826

HOLLEY 3868826 Carburetor Barrel

3868826 Holley Carburetor 4 Barrel

( Brand: Holley ), ( Manufacturer Part Number: 3868826 ), ( Type: Carburetor ), ( Mounting Flange Type: Square Bore ), ( Performance Part: Yes )

Review HOLLEY Carburetor Barrel

The Holley 3868826 Carburetor Barrel is a high-performance component designed to deliver optimal fuel delivery for various applications, particularly in racing and high-performance engines. This barrel is part of Holley's Ultra Series, which is renowned for its advanced design and engineering.

The barrel features a large 750 CFM capacity, making it suitable for high-horsepower engines. It is constructed from 6061-T6 aluminum, a material that offers excellent strength and durability. The barrel's surface is finished with a polished appearance, giving it a sleek and professional look.

One of the most notable features of this carburetor barrel is its unique Ultra Secondary design. This design includes a separate secondary circuit that can be adjusted independently from the primary circuit. This allows for fine-tuning of the fuel mixture for different engine conditions and optimizing power output.

The barrel also includes a removable spacer system that enables easy adjustments to the primary and secondary venturi sizes. This feature makes it convenient for racers and engine builders to dial in the perfect fuel mixture for their specific application.

Another important feature of the Holley 3868826 Carburetor Barrel is its compatibility with various Holley carburetor bases, including the Dominator, Double-Pumper, and HP Series bases. This provides flexibility for users who may already have a compatible base or wish to upgrade in the future.

The barrel's fuel inlet is designed with a large, 3/4-inch NPT thread, making it compatible with various fuel systems and fittings. It also includes a built-in fuel pressure regulator port for easy installation and adjustment of fuel pressure.

In summary, the Holley 3868826 Carburetor Barrel is a high-quality, advanced component designed for optimal fuel delivery in high-performance engines. Its Ultra Secondary design, removable spacer system, and compatibility with various Holley bases make it a versatile and customizable option for racers and engine builders. Its construction from durable 6061-T6 aluminum and large 750 CFM capacity ensure reliable and efficient fuel delivery for even the most demanding applications.

The Holley 3868826 carburetor barrel is a popular choice among automotive enthusiasts for its high performance and customizability. Here are some pros and cons that may help you make an informed decision about purchasing this carburetor barrel:

Pros:

1. High Performance: Holley carburetors are known for their high performance capabilities. The 3868826 barrel is no exception, offering excellent fuel delivery and air/fuel mixture for improved engine response and power.

2. Customizability: Holley carburetors offer a wide range of customization options, allowing users to fine-tune their engine's performance to their specific needs. The 3868826 barrel is no different, with various options for jet sizes, emulsion tubes, and other performance-enhancing features.

3. Durability: Holley carburetors are built to last, with high-quality materials and robust construction. The 3868826 barrel is no exception, with a heavy-duty design that can withstand the demands of high-performance applications.

Cons:

1. Complexity: Holley carburetors, including the 3868826 barrel, can be complex to install and tune. This may require a significant investment of time and resources, especially for those without experience in carburetor tuning.

2. Cost: Holley carburetors, particularly high-performance models like the 3868826 barrel, can be expensive. This may be a limiting factor for some buyers, especially those on a tight budget.

3. Maintenance: Holley carburetors, like all carburetors, require regular maintenance to ensure optimal performance. This may include cleaning or replacing various components, which can be time-consuming and costly.

Conclusion:

The Holley 3868826 carburetor barrel offers excellent performance, customizability, and durability for high-performance applications. However, it comes with some drawbacks, including complexity, cost, and maintenance requirements. If you are willing to invest the time and resources required to properly install, tune, and maintain this carburetor barrel, it can provide significant performance benefits for your engine. Alternatively, if you are looking for a more affordable or less complex solution, there may be other carburetor options worth considering. Ultimately, the decision to purchase the Holley 3868826 carburetor barrel should be based on your specific needs, budget, and level of experience with carburetor tuning.

Details:

Holley Carburetor Part number 3868826 List Number-3124 Date Code 864. I would recommend rebuilding the unit before use. The Carburetor is missing the vacuum secondary and choke parts. Otherwise its complete.

The main US 48 states.

part #: 3868826 prices

  • $600.00-$1500.00

specifications carbcoon:

  • brand: Holley
  • mpn: 3868826
  • type: Carburetor
  • mounting flange type: Square Bore
  • performance part: Yes

seller carbcoon:

  • # reviews: 18
  • rating: 0.0%
  • city: Santee, California

returns carbcoon:

  • policy: No Returns

shipping carbcoon:

  • carrier: UPS
  • cost: $12.26
  • service: UPS Ground Saver
  • transit: 8-12 Days
  • class: Economy
  • type: Fixed

payments carbcoon:

  • credit card: Visa
  • other
  • wallet: Apple-pay

offer carbcoon:

  • started: May 25, 2025
  • options: Ship-to-home
  • availability: In Stock
  • sold: 0
  • best offers: True
  • quantity: 1

general carbcoon:

  • Car Truck Parts Accessories > Air Fuel Delivery > Carburetors
  • condition: For parts or not working
type: carburetor, mounting flange type: square bore, performance part: yes,
category: auto parts > car truck parts accessories > air fuel delivery > carburetors, sku: 6335033165421771,

Holley 3868826 Is Similar To:

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5 offers $600.00–$1500.00 USD
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