HOLLEY 0-80576C Mech Sec Dual Flange Fittings 750CFM 4150 8an

( Brand: Holley ), ( Manufacturer Part Number: 0-80576C ), ( Type: Carburetor ), ( Mounting Flange Type: Square Bore ), ( Material: Diecast ), ( Universal Fitment: Yes ), ( Country Of Origin: United States )

Review HOLLEY Hp 750cfm Mech Sec Dual Feed 4150 Flange 8an Fittings

Introducing the Holley 0-80576C HP EFI 750 CFM Mechanical Secondary Dual Plane Fuel Distribution System, designed to deliver precise fuel delivery for high-performance applications. This system is a perfect upgrade for those seeking improved fuel flow and better engine response.

The Holley 0-80576C is a mechanical secondary system, meaning it utilizes mechanical fuel pressure and vacuum to operate the secondary diaphragms. It is suitable for applications requiring up to 750 CFM of fuel flow. The system comes with a pair of 4150 flange carburetors, allowing for a dual-plane intake setup for optimal engine breathing.

This Holley fuel system is constructed with top-tier materials for durability and reliability. The primary fuel pump is an electric, in-tank design that provides consistent fuel delivery. The secondary fuel pumps are mechanical, driven by engine vacuum, ensuring a constant fuel pressure in the carburetors.

The Holley 0-80576C comes with 8AN fittings, which offer a secure and leak-free connection to your fuel lines. The fittings are made from high-quality materials, ensuring they can handle the high fuel flow rates and the demands of high-performance applications.

The Holley 0-80576C is a versatile fuel system that can be used in various applications, including hot rods, muscle cars, and race cars. It is a direct replacement for many popular carbureted applications, making installation a breeze. This system is also compatible with Holley's EFI systems, allowing for a seamless transition to electronic fuel injection in the future.

In summary, the Holley 0-80576C HP EFI 750 CFM Mechanical Secondary Dual Plane Fuel Distribution System is a high-performance fuel system designed for those seeking improved fuel flow and better engine response. It comes with a pair of 4150 flange carburetors, mechanical secondary fuel pumps, and 8AN fittings for a secure connection. This system is a versatile and reliable solution for various high-performance applications.

The Holley 0-80576C HP 750 CFM Mechanical Secondary Dual-Plane 4150 Intake Manifold with 8AN Fittings is a popular choice for automotive enthusiasts seeking to improve the performance of their carbureted engines. This intake manifold comes with several advantages and disadvantages that are essential to consider before making a purchase.

1. Enhanced Airflow: The 750 CFM (cubic feet per minute) airflow rate of this intake manifold ensures efficient fuel delivery and improved combustion. It is suitable for high-performance applications where increased power output is desired.

2. Dual-Plane Design: The dual-plane design of the intake manifold allows for better engine vacuum and improved throttle response due to the shorter runner length.

3. 8AN Fittings: The inclusion of 8AN fittings makes it easier to connect fuel lines, ensuring a secure and leak-free connection.

4. Mechanical Secondary Design: The mechanical secondary design allows for easier tuning and adjustment, making it a popular choice for those who prefer a more hands-on approach to engine tuning.

1. Complex Installation: Installing this intake manifold can be a complex process, especially for those without prior experience. It may require additional tools and resources to complete the installation successfully.

2. Higher Cost: Compared to other intake manifolds, the Holley 0-80576C HP 750 CFM Mechanical Secondary Dual-Plane 4150 Intake Manifold with 8AN Fittings is priced higher due to its advanced features and design.

3. Requires Tuning: Since it is a mechanical secondary intake manifold, it requires more tuning to achieve optimal engine performance. This may require additional time and resources.

In conclusion, the Holley 0-80576C HP 750 CFM Mechanical Secondary Dual-Plane 4150 Intake Manifold with 8AN Fittings offers several advantages, such as enhanced airflow, dual-plane design, and 8AN fittings. However, it also comes with disadvantages, including a complex installation process, higher cost, and the need for extensive tuning.

If you are an experienced automotive enthusiast seeking to maximize the performance of your carbureted engine, this intake manifold may be an excellent investment. However, those with limited experience or budget constraints may want to consider alternative options. Ultimately, the decision to purchase this intake manifold depends on your specific needs, experience level, and budget.

Details:

Excellent, Barely Used. Chromed, Dual Feed, Mechanical Secondaries, Checked. Holley Carb, Classic 0-80576C 750 cfm 4150 Supercharger Carb.

part #: 080576c price

• $699.99

specifications carbcoon:

• brand: Holley
• mpn: 0-80576c
• type: Carburetor
• mounting flange type: Square Bore
• material: Diecast
• universal fitment: Yes
• country of origin: United States

offer carbcoon:

• started: January 27, 2026
• quantity: 1
• availability: In Stock
• sold: 0
• options: Ship-to-home

general carbcoon:

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

shipping carbcoon:

• cost: $20.00
• carrier: USPS
• service: USPS Priority Mail
• type: Fixed
• class: Expedited
• transit: 4-10 Days

returns carbcoon:

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

payments carbcoon:

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

seller carbcoon:

• # reviews: 15855
• rating: 99.7%
• city: East Jordan, Michigan

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