HOLLEY EFI 550-616 Fuel Injection Car Modular 090127712849 281/330

( Brand: Holley Efi ), ( Part Type: Fuel ), ( Manufacturer Part Number: 550-616 ), ( Country Of Origin: United States ), ( UPC: 090127712849 )

Review HOLLEY EFI Fuel Injection System Ford Car Modular 281/330 fits 330 1900

Introducing the Holley EFI 550-616 fuel injection system, a game-changer for 1900 Ford car owners with a modular 281/330 engine. This state-of-the-art fuel injection system is designed to deliver precise fuel control for improved engine performance, efficiency, and drivability.

The Holley EFI 550-616 system comes with an electronic fuel injection (EFI) controller, which utilizes a 60-pound-per-hour (lb/h) fuel pump, capable of delivering ample fuel flow for high-performance applications. The system is also equipped with an integrated wideband oxygen sensor, allowing for real-time fuel adjustments based on oxygen sensor feedback, ensuring optimal air/fuel ratios for peak engine performance.

The Holley EFI 550-616 system features a high-impedance wideband 0-5 volt output, making it compatible with a wide range of aftermarket data loggers and gauges for easy monitoring and tuning. This system is also equipped with a built-in adjustable idle control, ensuring a stable and consistent idle under various operating conditions.

The Holley EFI 550-616 system includes a fuel pressure regulator, which allows for easy adjustment of fuel pressure to suit specific engine requirements. The system also comes with a fuel filter, ensuring clean fuel delivery for optimal performance and longevity.

The Holley EFI 550-616 system is designed to be easy to install, with a plug-and-play wiring harness that makes connection to the engine electrical system straightforward. The system also includes a detailed installation manual, as well as access to Holley's technical support team, to ensure a smooth installation process.

In summary, the Holley EFI 550-616 fuel injection system is a must-have for 1900 Ford car owners with a modular 281/330 engine, looking to improve engine performance, efficiency, and drivability. With its advanced features, easy installation, and compatibility with a wide range of aftermarket tuning tools, this system is sure to be a valuable addition to any Ford enthusiast's garage.

Holley EFI 550-616 fuel injection system is a popular choice for Ford Modular 281/330 engines. Here are some pros and cons that might help you make an informed decision:

1. Improved Fuel Efficiency: Holley EFI systems are known for their fuel efficiency. By providing precise fuel delivery, these systems can help your engine run more efficiently, leading to better gas mileage.

2. Better Power and Torque: With precise fuel delivery, your engine can produce more power and torque. Holley EFI systems are capable of delivering fuel in small, controlled amounts, which can help your engine produce more power at all RPMs.

3. Improved Idle Quality: Holley EFI systems offer excellent idle quality. By providing precise fuel delivery, the system can help maintain a consistent idle, which can lead to improved drivability and a smoother engine operation.

4. Easy to Install: Holley EFI systems are relatively easy to install. The system comes with a wiring harness that makes installation a breeze. Additionally, Holley offers installation guides and technical support to help you through the process.

5. Flex Fuel Capable: Holley EFI systems are flex fuel capable. This means that they can run on both gasoline and ethanol fuel, giving you the flexibility to choose the fuel that best suits your needs.

1. Cost: Holley EFI systems can be expensive. The cost of the system, as well as any additional components or accessories, can add up quickly.

2. Complexity: Holley EFI systems can be complex. While the installation process is relatively straightforward, configuring the system to work with your specific engine and application can be challenging.

3. Learning Curve: Using a Holley EFI system requires some learning. You will need to learn how to tune the system to optimize performance and fuel efficiency. This can be a time-consuming process, but the rewards are worth it.

4. Maintenance: Holley EFI systems require some maintenance. The system has sensors and other components that will need to be replaced periodically. Additionally, the system will need to be tuned periodically to optimize performance.

Holley EFI systems offer numerous benefits, including improved fuel efficiency, better power and torque, improved idle quality, ease of installation, and flex fuel capability. However, they also come with some drawbacks, such as cost, complexity, learning curve, and maintenance requirements. Ultimately, the decision to purchase a Holley EFI system for your 1900 Ford car with a Modular 281/330 engine depends on your specific needs, budget, and level of expertise. If you are looking for improved performance, fuel efficiency, and drivability, and you are willing to invest the time and money required to install and tune the system, then a Holley EFI system may be the right choice for you. However, if you are on a tight budget or are not comfortable with the complexity of the system, then you may want to consider other options.

If you have decided that a Holley EFI system is the right choice for you, then I would recommend starting with the Holley EFI 550-616 base kit. This kit includes all of the necessary components to get started, including the fuel injection system, wiring harness, and necessary sensors. From there, you can add on additional components, such as a fuel pressure regulator, fuel pump, and fuel filter, to complete the system. Holley offers a wide range of resources, including installation guides, technical support, and a community of enthusiasts, to help you through the installation and tuning process. Good luck with your project!

part # 550616 prices

• $3149.95-$3399.95

specifications injectiopug:

• for models: 330
• for makes: Ford
• for years: 1900
• brand: Holley Efi
• part type: Fuel
• manufacturer part number: 550-616
• country of origin: United States
• upc: 090127712849

general injectiopug:

• Air Fuel Delivery > Fuel Injection Parts > Additional Fuel Injection Parts
• condition: New

returns injectiopug:

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

shipping injectiopug:

• class: Expedited
• type: Fixed
• service: Expedited
• transit: 3-5 Days
• cost: $0.00

seller injectiopug:

• rating: 99.3%
• # reviews: 173338

payments injectiopug:

• wallet: Paypal
• credit card: Discover
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offer injectiopug:

• sold: 0
• options: Ship-to-home
• quantity: 3
• started: March 20, 2026
• availability: In Stock

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