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Money Saver Fueltech Ls550 V8 Complete Harness (2002007265) Take An Extra 60% Off [9n40l7GP]

$74.99 $239.99 -69%

Fueltech LS550 V8 Complete Harness: The Ultimate Solution for LS Engine SwapsIntroducing the FuelTech LS550 V8 Complete Harness, the perfect fit for your standalone LS swap with the FuelTech FT550 or FT550LITE ECU. This plug-and-play harness is desig

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Money Saver Fueltech Ls550 V8 Complete Harness (2002007265) Take An Extra 60% Off [9n40l7GP]

Fueltech LS550 V8 Complete Harness: The Ultimate Solution for LS Engine Swaps

Introducing the FuelTech LS550 V8 Complete Harness, the perfect fit for your standalone LS swap with the FuelTech FT550 or FT550LITE ECU. This plug-and-play harness is designed to simplify the installation process, ensuring a seamless integration with your GM LS engine. With all relays and fuses pre-terminated, it offers a straightforward 3-wire battery hook-up and ignition power. The LS550 harness is versatile, supporting both 58x and 24x triggers, and is ready for direct connection to LS3 style ignition coils, GM style flex fuel sensor, and dual wideband Nano connection. Its comprehensive setup includes a GM-style accelerator pedal connector for a smooth drive-by-wire experience.

Key Features and Specifications of the LS550 V8 Harness

Featuring an 8-way connector kit, the LS550 harness is fully wired for 8 sequential EV1 injectors, eliminating the need for an injector sub-harness. It is compatible with high impedance injectors and offers a seamless integration with 2 FuelTech Peak and Hold Drivers for low impedance injectors. The harness is also designed to work with OEM LS coils already wired in fully sequential mode. It supports a wide range of engine sensors, including electronic throttle body, TPS, crank trigger, cam sync, flex fuel sensor, and more. The LS550 harness is flex fuel ready, with a connector for the Continental Flex Fuel Sensor, and is set up for two FuelTech WB-o2 Nano o2 conditioners and two Bosch LSU 4.2 o2 sensors. It also includes an INPUTS connector for up to 6 additional input channels and an EXTRA OUTPUTS connector for up to 8 additional outputs, providing ultimate customization and control.

Practical Applications and Benefits of the LS550 V8 Harness

Whether you're looking to upgrade your existing LS engine or perform a complete swap, the FuelTech LS550 V8 Complete Harness is the ideal choice. Its universal compatibility and plug-and-play design make it perfect for both professional mechanics and DIY enthusiasts. The harness not only simplifies installation but also enhances the performance and efficiency of your LS engine. With its robust features and high-quality construction, the LS550 harness is built to last, providing you with a reliable and durable solution for your LS engine swap needs. Experience the convenience and performance of the FuelTech LS550 V8 Complete Harness today!

What Our Customers Say

January 23, 2026

Absolutely no complaints!

This has been a fantastic and useful addition.

- Christopher X..

January 23, 2026

Absolutely no complaints!

It is a very, very, very well-made product.

- Debbie L..

January 23, 2026

Absolutely no complaints!

The best that I have bought in a very long while.

- Lauren I..

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