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  • All Harnesses, Complete Harnesses, Harnesses

  • FT450/550 4 Cylinder Universal A Harness

  • $599.00
  • The FuelTech Universal 4 cylinder A harness is a great addition to any 4 cylinder build and can be used with both the FT450 and FT550 ECU’s in a complete plug and play style. It is to suit 4 injectors and 4 individual smart coils, wired in semi-sequential fuel injection and wasted spark ignition. It can be used with high…
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  • FT450/FT550 6 Cylinder Universal A and B Harness

  • $349.00
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  • FT450/FT550 6 Cylinder Universal A Harness

  • $699.00
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  • FT450/FT550 Sportsman Datalogging A Harness

  • $849.00 $699.00
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  • FT550 4 Cylinder Universal B Expansion Harness

  • $259.00
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  • LS550 V8 Complete Harness

  • $899.00
  • The FuelTech LS550 V8 complete plug and play harness is the best fit for a standalone LS swap utilizing the FuelTech FT550 or FT550LITE ECU and GM LS engine. It comes pre-terminated to suit an LS engine with all relays and fuses for a simple 3 wire battery hook up and ignition power. Ready for both 58x and 24x triggers…
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  • PRO550 GEN II V8 Complete Harness

  • $999.00
  • The FuelTech PRO550 V8 plug and play harness is the best link between your FT550 or FT550LITE ECU and V8 engine.
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  • PRO550/600 FTSpark-8 Harness

  • $499.00
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  • PRO550/600 Smart Coil Harness

  • $469.00
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  • PRO600 GEN II V8 Complete Harness

  • $1,699.00
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  • PRO600 GEN III V8 Complete Harness

  • $2,098.00
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  • PRO600 V8 Secondary Injector Harness

  • $399.00
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