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4X WB-O2 NANO HARNESS
- $199.00
- Install 4 Nanos with ease!
- Select options This product has multiple variants. The options may be chosen on the product page
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ALCOHOL O2 – DUAL CHANNEL HARNESS
- $169.00
- Alcohol O2 - Dual Channel harness
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FT250/300/350/400 DYNO EXTENSION – MAIN HARNESS
- $119.00
- Used to extend main harness on dynamometers.
- Add to cart
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FT250/300/350/400 UNTERMINATED MAIN HARNESS
- $75.00 – $109.00Price range: $75.00 through $109.00
- FT200, FT250, FT300, FT350 and FT400 main harness
- Select options This product has multiple variants. The options may be chosen on the product page
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FT350 TO FT450 ADAPTER HARNESS
- $84.00
- FT350 to FT450 Adapter Harness
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FT350 TO FT450 ADAPTER HARNESS W/ NANO
- $119.00
- FT350 to FT450 adapter harness
- Add to cart
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FT400 DYNO EXTENSION – AUXILIARY HARNESS
- $89.00
- FT400 dyno extension auxiliary harness
- Add to cart
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FT400 TO FT550 ADAPTER HARNESS
- $169.00
- FT400 to FT550 adapter harness
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FT400 UNTERMINATED AUXILIARY HARNESS
- $64.00 – $74.00Price range: $64.00 through $74.00
- FT400 unterminated auxiliary harness
- Select options This product has multiple variants. The options may be chosen on the product page
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FT400 UNTERMINATED REDUCED AUXILIARY HARNESS
- $45.00
- FT400 reduced auxiliary harness. Used on cars that do not need any other functions from the auxiliary harness.
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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.
- Add to cart
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FT450/550 A UNTERMINATED HARNESS
- $119.00 – $169.00Price range: $119.00 through $169.00
- Unterminated harness for FT450/550 A connector.
- Select options This product has multiple variants. The options may be chosen on the product page
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FT500 DYNO EXTENSION HARNESS
- $169.00
- Used on dynamometers to extend existing FT500 harness.
- Add to cart
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FT500 TO FT550 ADAPTER HARNESS
- $169.00 – $179.00Price range: $169.00 through $179.00
- FT500 to FT550 adapter harness
- Select options This product has multiple variants. The options may be chosen on the product page
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FT500 TO FT600 ADAPTER HARNESS
- $249.00 – $269.00Price range: $249.00 through $269.00
- Select options This product has multiple variants. The options may be chosen on the product page
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FT500 UNTERMINATED HARNESS
- $149.00 – $189.00Price range: $149.00 through $189.00
- FT500 Unterminated Harness
- Select options This product has multiple variants. The options may be chosen on the product page
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FT550 4 CYLINDER UNIVERSAL B EXPANSION HARNESS
- $299.00 – $998.00Price range: $299.00 through $998.00
- 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.
- Select options This product has multiple variants. The options may be chosen on the product page
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FT550 UNTERMINATED HARNESS
- $119.00 – $318.00Price range: $119.00 through $318.00
- Unterminated harness for FT550
- Select options This product has multiple variants. The options may be chosen on the product page
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FT600 / FT700 A & B Unterminated Harness
- $299.00 – $379.00Price range: $299.00 through $379.00
- FT600 unterminated harness.
- Select options This product has multiple variants. The options may be chosen on the product page
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FTSPARK EXTREME HARNESS
- $239.00
- FTSPARK EXTREME Harness
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FTSPARK-1 HARNESS
- $139.00
- FTSPARK-1 harness.
- Add to cart
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FTSPARK-4 HARNESS
- $139.00
- FTSPARK-4 harness.
- Add to cart
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FTSPARK-6 HARNESS
- $159.00
- FTSPARK-6 harness.
- Add to cart
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FTSPARK-8 HARNESS
- $189.00
- FTSPARK-8 harness
- Add to cart
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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.
- Select options This product has multiple variants. The options may be chosen on the product page
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PEAK & HOLD HARNESS
- $29.00
- Peak & Hold harness.
- Add to cart
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PRO550 V8 COMPLETE HARNESS
- $1,199.00 – $1,249.00Price range: $1,199.00 through $1,249.00
- The FuelTech PRO550 V8 plug and play harness is the best link between your FT550 or FT550LITE ECU and V8 engine.
- Select options This product has multiple variants. The options may be chosen on the product page
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PRO550/600 FTSPARK-1 HARNESS
- $399.00
- The FuelTech PRO550/600 FTSpark-1 harness is a true plug and play expansion to complement both the PRO550 and PRO600 V8 harness.
- Add to cart
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PRO550/600 FTSPARK-8 HARNESS
- $559.00 – $599.00Price range: $559.00 through $599.00
- The FuelTech PRO550/600 FTSpark-8 harness is a true plug and play expansion to complement both the PRO550 and PRO600 V8 harness.
- Select options This product has multiple variants. The options may be chosen on the product page
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PRO550/600 V8 SMART COIL HARNESS
- $499.00 – $599.00Price range: $499.00 through $599.00
- The FuelTech PRO550/600 Smart Coil harness is a true plug and play expansion to complement both the PRO550 and PRO600 V8 harness.
- Select options This product has multiple variants. The options may be chosen on the product page












































