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    • FT450/550 4 Cylinder Universal A Harness
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      • All Harnesses, Complete Harnesses, Harnesses
      • FT450/550 4 Cylinder Universal A Harness

      • $699.00
      • 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…
      • FT450/550 4 Cylinder Universal A Harness
      • FT450/550 4 Cylinder Universal A Harness
      • FT450/550 4 Cylinder Universal A Harness
      • FT450/550 4 Cylinder Universal A Harness
      • FT450/550 4 Cylinder Universal A Harness
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    • FT450/FT550 6 Cylinder Universal A and B Harness
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      • All Harnesses, Complete Harnesses, Harnesses
      • FT450/FT550 6 Cylinder Universal A and B Harness

      • $349.00
      • FT450/FT550 6 Cylinder Universal A and B Harness
      • FT450/FT550 6 Cylinder Universal A and B Harness
      • FT450/FT550 6 Cylinder Universal A and B Harness
      • FT450/FT550 6 Cylinder Universal A and B Harness
      • FT450/FT550 6 Cylinder Universal A and B Harness
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    • FT450/FT550 6 Cylinder Universal A Harness
      Add to cart
      • All Harnesses, Complete Harnesses, Harnesses
      • FT450/FT550 6 Cylinder Universal A Harness

      • $699.00
      • FT450/FT550 6 Cylinder Universal A Harness
      • FT450/FT550 6 Cylinder Universal A Harness
      • FT450/FT550 6 Cylinder Universal A Harness
      • FT450/FT550 6 Cylinder Universal A Harness
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    • Sale!
      FT450/FT550 Sportsman Datalogging A Harness
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      • All Harnesses, Complete Harnesses, Harnesses
      • FT450/FT550 Sportsman Datalogging A Harness

      • $849.00 Original price was: $849.00.$699.00Current price is: $699.00.
      • FT450/FT550 Sportsman Datalogging A Harness
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    • FT550 4 Cylinder Universal B Expansion Harness
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      • All Harnesses, Complete Harnesses, Harnesses
      • FT550 4 Cylinder Universal B Expansion Harness

      • $259.00
      • FT550 4 Cylinder Universal B Expansion Harness
      • FT550 4 Cylinder Universal B Expansion Harness
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    • LS550 V8 Complete Harness
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      • All Harnesses, Complete Harnesses, Harnesses
      • LS550 V8 Complete Harness

      • $999.00
      • 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…
      • LS550 V8 Complete Harness
      • LS550 V8 Complete Harness
      • LS550 V8 Complete Harness
      • LS550 V8 Complete Harness
      • LS550 V8 Complete Harness
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    • PRO550 GEN II V8 Complete Harness
      Select options This product has multiple variants. The options may be chosen on the product page
      • All Harnesses, Complete Harnesses, Harnesses
      • PRO550 GEN II V8 Complete Harness

      • $1,198.00
      • The FuelTech PRO550 V8 plug and play harness is the best link between your FT550 or FT550LITE ECU and V8 engine.
      • PRO550 GEN II V8 Complete Harness
      • PRO550 GEN II V8 Complete Harness
      • PRO550 GEN II V8 Complete Harness
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    • PRO550/600 FTSpark-8 Harness
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      • All Harnesses, Complete Harnesses, Harnesses
      • PRO550/600 FTSpark-8 Harness

      • $499.00
      • PRO550/600 FTSpark-8 Harness
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    • PRO550/600 Smart Coil Harness
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      • All Harnesses, Complete Harnesses, Harnesses
      • PRO550/600 Smart Coil Harness

      • $469.00
      • PRO550/600 Smart Coil Harness
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    • PRO600 GEN II V8 Complete Harness
      Select options This product has multiple variants. The options may be chosen on the product page
      • All Harnesses, Complete Harnesses
      • PRO600 GEN II V8 Complete Harness

      • $1,699.00
      • PRO600 GEN II V8 Complete Harness
      • PRO600 GEN II V8 Complete Harness
      • PRO600 GEN II V8 Complete Harness
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    • PRO600 GEN III V8 Complete Harness
      Add to cart
      • All Harnesses, Complete Harnesses, Harnesses
      • PRO600 GEN III V8 Complete Harness

      • $2,098.00
      • PRO600 GEN III V8 Complete Harness
      • PRO600 GEN III V8 Complete Harness
      • PRO600 GEN III V8 Complete Harness
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    • PRO600 V8 Secondary Injector Harness
      Add to cart
      • All Harnesses, Complete Harnesses, Harnesses
      • PRO600 V8 Secondary Injector Harness

      • $399.00
      • PRO600 V8 Secondary Injector Harness
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