HOLLEY 12-390-11 Mechanical Fuel Pump

( Brand: Holley ), ( Part Type: Fuel Pump ), ( Manufacturer Part Number: 12-390-11 ), ( Epid: 77115257 )

Review HOLLEY Mechanical Fuel Pump

The Holley 12-390-11 Mechanical Fuel Pump is a high-performance addition to any classic or hot rod fuel system. This pump is designed to deliver reliable and consistent fuel flow to your carburetor or injection system.

The pump housing is made of durable cast aluminum, ensuring long-lasting performance and resistance to corrosion. The pump features a large 3/4-inch suction opening, which allows for improved flow rate and the ability to draw fuel from larger tanks. The impeller design is optimized for efficient fuel pickup, reducing the risk of cavitation and ensuring a steady fuel supply to the engine.

The Holley 12-390-11 Mechanical Fuel Pump is also equipped with a heavy-duty 1/2-inch NPT outlet and a 3/8-inch inlet, providing versatility for various fuel line configurations. The pump comes with a 6-inch drive shaft, making it compatible with most popular engine mounting configurations.

The pump is designed to be easy to install, with a simple bolt-on design and clear markings for easy identification of the inlet and outlet. It also features a built-in fuel pressure regulator, allowing for easy adjustment of fuel pressure to meet the specific requirements of your engine.

The Holley 12-390-11 Mechanical Fuel Pump is a great choice for enthusiasts looking for a high-performance, durable, and easy-to-install fuel pump for their classic or hot rod project. With its robust design, efficient impeller, and versatile connections, it is sure to provide reliable fuel flow and help ensure optimal engine performance.

The Holley 12-390-11 Mechanical Fuel Pump is a popular choice among car enthusiasts and restorers due to its durability and reliability. Here are some pros and cons to help you make an informed decision about purchasing this fuel pump:

1. Mechanical design: The Holley mechanical fuel pump does not rely on electricity, making it an excellent choice for vehicles with electrical issues or during restoration projects where a reliable backup fuel system is essential.

2. Durability: The pump's simple design and robust construction make it resistant to wear and tear, which is crucial for long-term use.

3. Versatility: This fuel pump is compatible with various fuel types, including gasoline, methanol, and ethanol, making it a versatile option for different applications.

4. Easy installation: The mechanical fuel pump is generally easier to install than its electric counterparts, as it does not require any wiring or complex electrical connections.

5. Affordability: The Holley 12-390-11 Mechanical Fuel Pump is relatively affordable compared to other fuel pumps, especially considering its durability and versatility.

1. Lower flow rate: The Holley mechanical fuel pump has a lower flow rate compared to electric pumps, which might not be suitable for high-performance applications or large engines.

2. No fuel pressure regulation: Mechanical fuel pumps do not have the ability to regulate fuel pressure, so you may need to install a separate fuel pressure regulator if your vehicle requires a specific fuel pressure level.

3. Limited compatibility: While the Holley mechanical fuel pump is compatible with various applications, it might not be the best choice for vehicles with specific fuel system requirements or advanced fuel delivery systems.

The Holley 12-390-11 Mechanical Fuel Pump is a reliable, durable, and affordable option for car enthusiasts and restorers looking for a simple and robust fuel delivery solution. Its mechanical design makes it an excellent backup fuel system and a versatile option for various fuel types. However, its lower flow rate and lack of fuel pressure regulation might limit its suitability for high-performance applications or vehicles with specific fuel system requirements.

If you are working on a restoration project, looking for a reliable backup fuel system, or require a fuel pump for a vehicle with simple fuel delivery requirements, the Holley 12-390-11 Mechanical Fuel Pump is an excellent choice. However, if you have a high-performance application, advanced fuel delivery system, or require specific fuel pressure levels, you might need to consider other fuel pump options.

Details:

Engineered using the latest technology to ensure product lasts longer in service. Holley 12-390-11 Mechanical Fuel Pump: Part Number: Manufacturer. Manufactured following strict OE standards to work like the original component. Engineered with a factory-like design for effortless installation, ensuring perfect match your vehicle.

Designed specifically for trucks, trailers, and buses. Made of high-quality components for durability, reliability, and performance.

part #: 1239011 prices

• $241.95-$411.99

specifications pumpunite:

• brand: Holley
• part type: Fuel Pump
• manufacturer part number: 12-390-11
• epid: 77115257

shipping pumpunite:

• class: Standard
• type: Fixed
• service: Standard
• cost: $0.00
• transit: 4-8 Days

offer pumpunite:

• sold: 0
• quantity: 1
• best offers: True
• availability: In Stock
• started: April 28, 2025
• options: Ship-to-home

general pumpunite:

• condition: New
• Car Truck Parts Accessories > Air Fuel Delivery > Fuel Pumps Sending Units

seller pumpunite:

• rating: 96.8%
• # reviews: 50580
• city: Los Angeles, California

payments pumpunite:

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

returns pumpunite:

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

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