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Ships From Usa Fueltech Ft450/550 4 Cylinder Universal A Harness Apparel [MdqQ6Xe7]

$58.99 $188.99 -69%

FuelTech FT450/550 4 Cylinder HarnessIntroducing the FuelTech Universal 4 Cylinder A Harness, the perfect companion for your 4-cylinder build. This versatile harness is designed to seamlessly integrate with both the FT450 and FT550 ECU units, offerin

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Ships From Usa Fueltech Ft450/550 4 Cylinder Universal A Harness Apparel [MdqQ6Xe7]

FuelTech FT450/550 4 Cylinder Harness

Introducing the FuelTech Universal 4 Cylinder A Harness, the perfect companion for your 4-cylinder build. This versatile harness is designed to seamlessly integrate with both the FT450 and FT550 ECU units, offering a complete plug-and-play solution. With support for 4 injectors and 4 individual smart coils, it delivers a robust and efficient fuel injection and ignition system.

Key Features:

  • Universal compatibility with the FT450 and FT550 ECU's.
  • Supports 4 EV1 injectors and 4 smart coils.
  • Wired for semi-sequential fuel injection and wasted spark ignition.

Technical Specifications

This harness is equipped with advanced features for optimal performance. It is ready for both VR and Hall effect cam and crank sensors, ensuring precise engine control. It includes 3 relays with built-in fuses for the main electronics, injectors, and coils, providing enhanced safety and reliability. Additionally, the harness boasts a label for each connector and is made with heat, moisture, and oil-resistant insulation.

Technical Specifications:

  • FuelTech Peak and Hold external drivers ready.
  • FuelTech WB-Nano O2 ready.
  • GM style intake air temperature and engine temperature sensors ready.

Applications and Benefits

The FuelTech Universal 4 Cylinder A Harness is designed for a wide range of applications, making it an ideal choice for both enthusiasts and professional mechanics. Whether you're upgrading your existing setup or building a custom 4-cylinder engine, this harness offers the flexibility and reliability you need. With its robust construction and advanced features, it ensures optimal performance and fuel efficiency, delivering a smoother and more powerful driving experience.

Applications:

  • Perfect for 4-cylinder builds with the FT450 or FT550 ECU's.
  • Great for both high and low impedance injectors.

What Our Customers Say

January 22, 2026

Absolutely no complaints!

It’s a very handy and clever gadget.

- Afallach V..

January 22, 2026

Absolutely no complaints!

This is a very good, very fine tool.

- Zilla Z..

January 22, 2026

Absolutely no complaints!

It’s a very impressive and clever gadget.

- Ysbaddaden T..

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