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Fueltech 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 35 pin FT600 ECU to the FT550 (Dual 26 Pin) Harness
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🇺🇸 Ship from USA · On Agora since 2026
$369.00