Description
Holley HP EFI ECU & Harness Kit, GM LS2/3/7 (58x Crank Sensor) With USCAR (EV6 Style) Connectors on Injector Harness, Includes NTK Oxygen Sensor
The Holley HP EFI ECU & Harness Kit, GM LS2/3/7 (58x Crank Sensor) With USCAR (EV6 Style) Connectors on Injector Harness, Includes NTK Oxygen Sensor is a plug-and-play engine management solution designed for GM LS2, LS3, and LS7 engines with factory coils and a 58-tooth crank sensor. It provides precise control of fuel and ignition for everything from stock 5.3L swaps to high-horsepower race engines.
Key Features
- Simple plug-and-play installation with factory sensor harness connections
- Advanced control including boost, nitrous, water/meth injection, and multiple input/output options
- Industry-leading self-tuning fuel strategy for quicker setup and optimized performance
- Includes ECU, harness, communication cable, software, USCAR EV6 injector connectors, and NTK wideband oxygen sensor
- Fully potted ECU with sealed automotive/marine-grade connectors, suitable for engine bay or interior mounting
- Supports 1-5 Bar MAP sensor for forced induction applications
- Optional handheld programmer and digital gauges available for enhanced control and monitoring
- Certified to ISO 8846, SAE J1171, and US Coast Guard ignition protection standards
Fitment
- GM LS2, LS3, and LS7 engines with factory GM coils
- Engines equipped with a 58-tooth crankshaft position sensor
Note: Verify engine compatibility before ordering. Requires laptop programming for base map setup. Recommended NTK oxygen sensor enhances performance with leaded, methanol, or forced induction setups. Optional accessories sold separately.





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