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Verified Ft450/550 4 Cylinder Universal A Harness Limited Time 55% Off [XWjMovqZ]

$58.99 $188.99 -69%

Verified Ft450/550 4 Cylinder Universal A Harness Limited Time 55% Off [XWjMovqZ]The FuelTech Universal 4 Cylinder A Harness is a game-changer for any 4-cylinder engine build, designed to seamlessly integrate with both the FT450 and FT550 ECU systems. This comprehensive harness is tailored

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Verified Ft450/550 4 Cylinder Universal A Harness Limited Time 55% Off [XWjMovqZ]

Verified Ft450/550 4 Cylinder Universal A Harness Limited Time 55% Off [XWjMovqZ]

The FuelTech Universal 4 Cylinder A Harness is a game-changer for any 4-cylinder engine build, designed to seamlessly integrate with both the FT450 and FT550 ECU systems. This comprehensive harness is tailored for a complete plug-and-play experience, ensuring a hassle-free installation process. With its versatility, it caters to both high and low impedance injectors, providing flexibility for various engine configurations.

Key Features and Specifications

The A Harness is equipped with all the essential components for a robust and efficient fuel injection system. It supports 4 EV1 injectors and 4 individual smart coils, ensuring a precise and reliable combustion process. The harness is designed for semi-sequential fuel injection and wasted spark ignition, optimizing engine performance and fuel efficiency. Its compatibility with both VR and Hall effect cam and crank sensors further enhances its versatility. Additionally, the harness includes 3 relays with built-in fuses for main electronics, injectors, and coils, ensuring safety and reliability.
  • 4 EV1 injectors and 4 smart coils for precise fuel delivery
  • Supports both VR and Hall effect sensors for flexibility
  • 3 relays with built-in fuses for safety and reliability

Practical Applications and Benefits

This universal harness is designed to cater to a wide range of applications, making it an ideal choice for both DIY enthusiasts and professional mechanics. Whether you're working on a custom 4-cylinder build or upgrading your existing engine, this harness offers the perfect solution. Its plug-and-play design simplifies the installation process, saving you time and effort. The harness's heat, moisture, and oil-resistant insulation ensures durability and longevity, even in harsh conditions. With its ready compatibility for FuelTech Peak and Hold drivers and Wideband Nano O2 sensors, this harness is a comprehensive package for optimal engine performance.
  • Seamless integration with FT450 and FT550 ECU systems
  • Plug-and-play design for easy installation
  • Heat, moisture, and oil-resistant insulation for durability

What Our Customers Say

January 28, 2026

Absolutely no complaints!

I'm very satisfied with the reliable performance.

- Ford K..

January 28, 2026

Absolutely no complaints!

A truly perfect product in every way. Could not ask for more.

- Final_Word_Frank.

January 28, 2026

Absolutely no complaints!

This is a product that is of great quality and a solid piece of technology.

- Aisha N..

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