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.