★★★★★ 5
They make her happy
She hasn’t stopped since we put these on!!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 23, 2025
FuelTech - FT550 to FT600 Adapter Harness
Marsoni
M251S
Get it in 3 business days with 1 day shipping.
Friday, May 29
FuelTech - FT550 to FT600 Adapter HarnessFueltech FT550 Harness to FT600 ECU Adapter The FuelTech FT550 to FT600 adapter harness is the fastest way of using an FT600 on an existing FT550 LS Complete Harness. Offers plug and play installation for a FT550 LS Complete Harness to FT600 ECU In order to use all inputs and outputs of the FT600, extra 10 and 12 Way Connectors are needed (Or repined for a different connector) Also compatible to use a FT550 LS Harness on an FT700 ECU Adapts the dual
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- Express: 1-2 business days
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
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