FUELTECH FOR GM LS ENGINES
LS + FuelTech: plug-and-play with a real tune
From LS1 to LS7, LQ4 to boosted LQ9: FuelTech runs injection, ignition, drive-by-wire and boost with an LS-ready harness. We sell the complete kit and handle the swap and tune in our shop.
Ready-made LS harnesses
Complete harnesses for FT550 and FT470, with 24x and 58x connectors.
NA or boosted
Boost control, electronic wastegate, flex fuel and launch control.
Complete swap in Miami
LS-swapped classics and restomods are our specialty.
FuelTech LS kit
FT470 EFI System ECU
From US$ 999
FT470 LS Engine Complete Harness
From US$ 829
FT550 EFI System ECU
From US$ 1,899
FT550 LS Engine GEN IV Complete Harness
From US$ 799
LS 58X Crank Sensor & LS Cam Sensor Connector
From US$ 10
LS 24X / Cam Connector Kit
From US$ 10
LS550 V8 10-Way Connector Kit
From US$ 10
LS550 V8 6-Way Connector Kit
From US$ 7
Frequently asked questions
Is my LS 24x or 58x?
Most 1997–2006 LS engines are 24x; LS3/LS7 and later are 58x. We stock connectors for both.
Do I need a custom harness?
For most LS swaps the complete harness does the job. For special cases, we build it in-house.
Ready to build?
Tell us about your car — we spec the kit, install it and tune it in Miami.
TALK TO OUR SHOP