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Xmas Gift Idea Fueltech Usa - Ft550 4 Cylinder Universal B Expansion Harness Massive 65% Savings [NjvXIGyL]

$59.99 $191.99 -69%

DescriptionDownloads The FuelTech Universal 4 cylinder B FT550 expansion harness compliments the Universal 4 cylinder A harness with the options to control up to 8 injectors staged sequentially, have direct connection for inbuilt gear controller as w

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  • The FuelTech Universal 4 cylinder B FT550 expansion harness compliments the Universal 4 cylinder A harness with the options to control up to 8 injectors staged sequentially, have direct connection for inbuilt gear controller as well as the additions to inputs and outputs. The harness comes with a relay with a built in fuse for power supply to the extra 4 injectors. The injectors are to be of high impedance only. The Universal 4 cylinder B harness has a label for each connector and the insulation is heat, moisture and oil resistant.
  • FT450/FT550 4 cylinder universal harness Manual

Technical Specifications:

Connectors: 

  • FT550 (Connector B)
  • 4 EV1 injectors (for high impedance injectors only)
  • FT CAN B connector
  • GearController sensor connector
  • Extra INPUTS connector to custom wire up to 5 additional input channels for the engine or chassis datalogging (i.e. driveshaft RPM, transbrake button, suspension travel sensors, input shaft RPM, staging button and much more) - Mating connector kit included
  • Extra OUTPUTS connector to custom wire up to 8 additional outputs (i.e. boost control solenoids, transbrake solenoid, dump and lockup valves, gear shift, nitrous stages and more) – Mating connector kit included
  • Relay with fuse for injectors

Attention: This Harness is only compatible with the FT550 ECU and must be used along with FT450/550 4 CYLINDER UNIVERSAL A HARNESS

What Our Customers Say

January 2, 2026

Absolutely no complaints!

It’s built like a tank, in a good way.

- Liam W..

January 2, 2026

Absolutely no complaints!

An excellent product that I'd buy again.

- Liam A..

January 2, 2026

Absolutely no complaints!

It's a very well-made product, great quality and value.

- Julia P..

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