HOLLEY R6444 Carburetor 4-BARREL H4-4160 LIST-6444 2522 436902-C9

( Brand: Holley ), ( Manufacturer Part Number: R6444 ), ( Location: 2430 ), ( Type: Carburetor ), ( Manufacturer Warranty: No ), ( Oe/oem Part Number: List-6444 2522, 436902-c9 )

Review HOLLEY 4-barrel Series Carburetor Untested

The Holley R6444 4-barrel carburetor, specifically model number 2522 with cross reference number 436902-C9, is a high-performance automotive carburetor designed for applications requiring superior fuel delivery and meticulous tuning capabilities. This particular model is part of Holley's Ultra series, which is renowned for its advanced features and exceptional power output.

The R6444 carburetor comes equipped with a 4160 base plate, which is compatible with a wide range of applications, making it a versatile choice for hot rods, muscle cars, and custom builds. The carburetor features a 4-barrel configuration, which ensures optimal fuel distribution for high-performance engines. The barrels are finished in a polished aluminum finish, adding an element of style and sophistication to any engine bay.

One of the most noteworthy features of the R6444 carburetor is its advanced vacuum secondary system. This system utilizes a small secondary metering rod that is activated at low engine vacuum levels, providing an additional fuel source during cruising and part-throttle driving conditions. This results in smoother engine operation and improved drivability.

The carburetor also includes Holley's innovative Accu-Fuel system, which utilizes a unique fuel pressure regulator and metering rod design to ensure precise fuel delivery under various engine conditions. This system allows for fine-tuning of the fuel mixture, ensuring optimal performance and efficiency.

Additionally, the R6444 carburetor comes with Holley's intuitive bowl-mounted fuel pressure regulator, which simplifies installation and eliminates the need for external fuel pressure regulators. This design also allows for easy adjustments to fuel pressure, further enhancing the carburetor's tuning capabilities.

The carburetor is also equipped with Holley's Synergy base plate system, which is designed to work seamlessly with Holley's electronic fuel injection systems. This allows for easy conversion to electronic fuel injection should the need arise, providing added flexibility and future proofing for your build.

The R6444 carburetor's meticulously engineered design, advanced features, and exceptional performance make it a top choice for enthusiasts and professionals alike seeking unparalleled fuel delivery and tuning capabilities for their high-performance applications. Whether you're building a hot rod or customizing a muscle car, the Holley R6444 4-barrel carburetor is sure to deliver the power, style, and reliability you've been looking for.

The Holley R6444 4-barrel H4-4160 carburetor (part number 6444 2522 436902-C9) is a popular choice for hot rod and muscle car enthusiasts. Here are some pros and cons that may help you make an informed decision about purchasing this carburetor:

1. Holley is a well-known brand in the automotive performance industry, known for producing high-quality carburetors.

2. The R6444 model is available in a wide range of sizes, making it suitable for various applications.

3. It features a four-barrel design, which can provide better fuel delivery and improved performance compared to a single-barrel carburetor.

4. The carburetor comes with Holley's unique vacuum secondary system, which can help improve low-end torque and power.

5. The design includes a mechanical secondaries system, which can be adjusted to provide a better powerband and improve overall performance.

1. The Holley R6444 carburetor can be more complex to install and tune compared to a single-barrel carburetor.

2. It requires more maintenance than some other types of carburetors due to its complexity.

3. The cost of the carburetor and associated installation and tuning costs can be higher than a single-barrel carburetor or a fuel injection system.

The Holley R6444 4-barrel H4-4160 carburetor (part number 6444 2522 436902-C9) offers several advantages for performance enthusiasts, including improved fuel delivery, better power and torque, and a unique vacuum secondary system. However, these advantages come with some disadvantages, such as increased complexity, higher cost, and greater maintenance requirements.

If you are looking for a high-performance carburetor for your hot rod or muscle car and are willing to invest the time and resources into installation and tuning, the Holley R6444 4-barrel H4-4160 carburetor (part number 6444 2522 436902-C9) could be an excellent choice for you. However, if you prefer a simpler and more cost-effective solution, a single-barrel carburetor or a fuel injection system may be a better option. Ultimately, the decision depends on your specific needs, budget, and level of experience with performance modifications.

Details:

Not frozen untested.

part #: r6444 prices

• $49.95-$93.74

specifications carbcoon:

• brand: Holley
• mpn: R6444
• location: 2430
• type: Carburetor
• manufacturer warranty: No
• oe/oem part number: List-6444 2522, 436902-c9

offer carbcoon:

• quantity: 1
• started: December 30, 2025
• sold: 0
• best offers: True
• options: Ship-to-home
• availability: In Stock

seller carbcoon:

• # reviews: 4462
• rating: 99.6%
• city: Salem, Ohio

returns carbcoon:

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

payments carbcoon:

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

shipping carbcoon:

• service: USPS Ground Advantage
• carrier: USPS
• type: Calculated
• cost: $0.00
• class: Standard
• transit: 10-16 Days

general carbcoon:

• Car Truck Parts Accessories > Air Fuel Delivery > Carburetors
• condition: For parts or not working

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