HOLLEY MB4604 Carburetor Body Cfm Vacuum Secondary 3-BARREL 4604-S 1050

( Brand: Holley ), ( Type: Carb ), ( Manufacturer Part Number: MB4604 ), ( Country Of Origin: United States )

Review HOLLEY 3-barrel Carburetor Main Body 1050 Cfm Vacuum Secondary

The Holley MB4604 3-barrel carburetor body, model number 4604-S, is a high-performance carburetor designed for applications requiring large CFM flow rates and vacuum secondary capabilities. This carburetor body is part of Holley's Muscle Car Series, which is engineered to deliver superior power and torque.

The MB4604 body accommodates three 2-gallon Holley AVS aluminum or glass-packed carburetor bowls. Each bowl has a capacity of 1050 CFM, making this carburetor suitable for large displacement engines. The vacuum secondary system, which is integrated into the design, helps ensure optimal fuel delivery under varying vacuum conditions, such as those encountered during intake manifold vacuum fluctuations.

This carburetor body features Holley's proven design and manufacturing expertise, with a focus on precise metering circles and bowl-to-body alignment. The result is a carburetor that delivers excellent idle stability and consistent fuel delivery throughout the engine RPM range.

The MB4604 carburetor body comes with a finned aluminum base plate, which helps dissipate heat and maintain optimal operating temperatures. The body is also compatible with Holley's various linkage and accessory kits, making it easy to configure for various engine installations.

Additionally, this carburetor body is designed to be compatible with Holley's electronic fuel injection (EFI) systems, such as the Holley Dominator EFI or Holley Sniper EFI. This allows for seamless integration of carbureted and EFI systems, providing the best of both worlds for performance enthusiasts.

Overall, the Holley MB4604 3-barrel carburetor body is a high-performance, versatile option for those seeking large CFM flow rates and vacuum secondary capabilities. Its design and manufacturing expertise, combined with its compatibility with various accessories and EFI systems, make it an excellent choice for muscle cars, hot rods, and other high-performance applications.

The Holley MB4604 3-barrel carburetor body 4604-s, with a 1050 CFM vacuum secondary, is a popular choice among automotive enthusiasts for enhancing the performance of their engines. This carburetor body comes with several advantages and disadvantages.

1. High Air Flow: The MB4604 carburetor body offers a high CFM (Cubic Feet per Minute) rating of 1050, making it suitable for high-performance applications.

2. Vacuum Secondary: The vacuum secondary system provides excellent idle quality and smooth power delivery at all RPMs by maintaining proper fuel-air mixture.

3. Easy-to-Tune: Holley carburetors are known for their ease of tuning. The MB4604 comes with a 4150-style flange, making it compatible with various intake manifolds.

4. Durable Construction: The carburetor body is made of high-quality materials like aluminum and brass, ensuring long-lasting performance.

1. Complexity: Holley carburetors can be more complex to install and tune compared to stock carburetors. This may require additional time and resources.

2. Cost: The MB4604 carburetor body is more expensive than stock carburetors due to its performance capabilities and advanced features.

3. Fuel Economy: Installing a high-performance carburetor like the MB4604 can negatively impact fuel economy.

The Holley MB4604 3-barrel carburetor body 4604-s, with a 1050 CFM vacuum secondary, offers significant performance benefits for high-performance applications. Its ease of tuning, high air flow, and vacuum secondary system make it a popular choice among enthusiasts. However, its complexity, cost, and potential impact on fuel economy are important considerations. Ultimately, the decision to purchase this carburetor body depends on individual priorities and the specific requirements of the vehicle.

For those seeking to improve the performance of their engine, the Holley MB4604 3-barrel carburetor body 4604-s can be a worthwhile investment. However, it is essential to consider the complexity of installation and tuning, the additional cost, and the potential impact on fuel economy before making a purchase. Proper research, planning, and preparation can help ensure a successful installation and optimal performance.

part # mb4604 prices

• $400.00-$499.99

specifications carbcaddie:

• brand: Holley
• type: Carb
• manufacturer part number: MB4604
• country of origin: United States

returns carbcaddie:

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

offer carbcaddie:

• started: May 15, 2026
• best offers: True
• options: Ship-to-home
• sold: 0
• quantity: 1
• availability: In Stock

payments carbcaddie:

• other
• wallet: Paypal
• credit card: Mastercard

general carbcaddie:

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

shipping carbcaddie:

• service: USPS Ground Advantage
• carrier: USPS
• class: Standard
• transit: 4-11 Days
• cost: $0.00
• type: Calculated

seller carbcaddie:

• rating: 100.0%
• # reviews: 34559

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