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- Adapters & Misc, All Harnesses, Harnesses
FT350 to FT450 Adapter Harness w/ Nano
- $129.00
- FT350 to FT450 adapter harness FT350 to FT450 Adapter Harness w/Nano Manual
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- All Harnesses, Harnesses, Unterminated Harnesses
FT400 Dyno Extension – Auxiliary Harness
- $99.00
- FT400 dyno extension auxiliary harness. Used on dynamometers. Has male and female plugs No of ways: 16 Length: 13ft
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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…
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- All Harnesses, Complete Harnesses, Harnesses
FT450/FT550 Sportsman Datalogging A Harness
- Original price was: $849.00.$699.00Current price is: $699.00.
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- All Harnesses, Harnesses, Unterminated Harnesses
FT500 Dyno Extension Harness
- $179.00
- Used on dynamometers to extend existing FT500 harness.
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- Select options This product has multiple variants. The options may be chosen on the product page
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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…
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- 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.
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- Select options This product has multiple variants. The options may be chosen on the product page
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- All Harnesses, Complete Harnesses, Harnesses
Toyota BEAMS Swap 3sge Altezza PLUG N PLAY FT450 Harness
- Original price was: $1,395.00.$1,295.00Current price is: $1,295.00.
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- Adapters & Misc, All Harnesses, Harnesses
WB-O2 Nano to Alcohol O2 Adapter Harness
- $189.00
- This adapter is required when using our Alcohol O2 module with our PRO500 or PRO600 harness. It will adapt the dual Nano connectors to a single dual channel Alcohol O2 module.





















































