HOLLEY EFI 558-440 Cylinder Injector Harness 090127743744 EV14

( Brand: Holley Efi ), ( Part Type: Cylinder Injector Harness ), ( UPC: 090127743744 ), ( Manufacturer Part Number: 558-440 )

Review HOLLEY EFI Universal Cylinder Injector Harness

The Holley EFI 558-440 EV14 Cylinder Injector Harness is a high-performance solution designed for fuel injection systems in various automotive applications. This harness is specifically engineered for Holley's 550-series EFI systems and features 14 EV14-sized injector connectors.

Constructed from top-quality materials, the harness boasts heavy-duty 12AWG wiring throughout to ensure reliable power and ground delivery to the injectors. The wiring is also insulated with a heat-resistant, high-density Teflon material to protect against wear and tear, ensuring long-lasting performance even in the most demanding conditions.

Each injector connector is equipped with a secure, positive-locking design to prevent accidental disconnections during operation. The connectors are also color-coded for easy identification and installation. This harness is compatible with Holley's 558, 559, and 567 fuel pressure regulators, making it a versatile choice for a wide range of applications.

The Holley EFI 558-440 EV14 Cylinder Injector Harness also includes a fuel pressure regulator wiring harness and a fuel pressure regulator mounting bracket, making it a complete, one-stop solution for your fuel injection system needs. The harness is designed to provide easy installation, with plug-and-play connectors reducing the need for extensive wiring and fabrication work.

In summary, the Holley EFI 558-440 EV14 Cylinder Injector Harness is a high-performance, reliable, and versatile solution for fuel injection systems in various automotive applications. Its heavy-duty construction, secure connector design, and ease of installation make it an excellent choice for enthusiasts and professionals alike.

The Holley EFI 558-440 EV14 Cylinder Injector Harness is a product designed to provide a plug-and-play solution for installing Holley EFI 14mm injectors in various applications. Here are some pros and cons to help you make an informed decision about purchasing this harness:

1. Plug-and-Play Design: The harness is designed to be a direct replacement for factory wiring, making the installation process quick and easy.

2. Compatibility: The harness is compatible with a wide range of Holley EFI systems and engines, making it a versatile option for many applications.

3. High-Quality Construction: The harness is made with heavy-duty, automotive-grade wiring and connectors to ensure reliability and durability.

4. Improved Performance: By using Holley EFI 14mm injectors, you can expect improved fuel delivery and better engine performance.

1. Cost: The harness and injectors can be a more expensive option compared to using OEM injectors or aftermarket alternatives.

2. Limited Customization: Since the harness is designed to be a direct replacement, there may be limited options for customization or tuning.

3. Requires Holley EFI System: The harness is only useful if you are using a Holley EFI system, so if you are not already using one, this may add additional cost and complexity to your project.

The Holley EFI 558-440 EV14 Cylinder Injector Harness can be a great option for those looking for a quick and easy solution for installing Holley EFI 14mm injectors in their vehicle. Its plug-and-play design, high-quality construction, and compatibility with a wide range of applications make it a versatile and reliable choice. However, its cost and limited customization options may not be ideal for everyone. Ultimately, the decision to purchase this harness will depend on your specific needs and budget.

If you are looking for a reliable and easy-to-install solution for upgrading your fuel system with Holley EFI 14mm injectors, the Holley EFI 558-440 EV14 Cylinder Injector Harness is a great option to consider. Its plug-and-play design and compatibility with various Holley EFI systems make it a versatile choice for many applications. However, if cost is a concern or if you require more customization options, you may want to explore alternative solutions.

part # 558440 price

• $122.95

specifications injectiopug:

• brand: Holley Efi
• part type: Cylinder Injector Harness
• upc: 090127743744
• manufacturer part number: 558-440

returns injectiopug:

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

seller injectiopug:

• # reviews: 18533
• rating: 99.4%

general injectiopug:

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

offer injectiopug:

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

shipping injectiopug:

• type: Fixed
• service: Promotional Service, UPS Ground
• class: Promotional, Standard
• cost: $0.00
• transit: 5-8 Days
• carrier: UPS

payments injectiopug:

• credit card: Mastercard
• wallet: Paypal
• other

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