HP EFI ECU & Harness Kits

Looking for a plug and play kit for your GM LS engine? The HP ECU allows you to accurately control the fuel and ignition of your engine plus much more. Got a stock LS engine? Simply download a base map and you're on your way. Got a turbocharged, nitrous fed LS engine on water/meth? This HP EFI kit can control that too!

• Ideal For Everything - including stock 5.3L engine swaps or all out, 3,000+ horsepower race cars that need a simple and powerful ECU and harness solution
• Easy To Use - Laptop programmable ECU includes a variety of base maps that will have you hitting the cruise or track in no time
• Kit includes ECU, harness, communication cable, software, Jetronic/Minitimer (Bosch style) injector connectors, and NTK wideband O2 sensor, designed to be used with GM LS2/LS3/LS7 engines with factory GM coils and a 58 tooth crank sensor
• For a full list of advanced features such as boost, nitrous, water/meth, individual cylinder control and more click the document icon under the product image!
• More Functionality - Provides significantly more functionality than OEM or other competitive ECUs (boost control, nitrous control, water/meth injection, plus a host of additional inputs and outputs to control fans, pumps, relays etc.)
• The NTK Oxygen Sensor is recommended when using leaded or methanol fuels, high exhaust and forced induction applications or for highest precision feedback
• 1-5 Bar MAP sensor capability
• Optional plug and play hand-held programmer, 5.7" touch screen and digital gauges are available for ultimate control and vehicle monitoring
• Industry Leading Self Tuning Fuel Strategy - means less time tuning and more time enjoying the power of your LS vehicle
• ECU is certified to ISO 8846, SAE J1171 & United States Coast Guard Requirements for Ignition Protection & Fire Resistance
• Sealed automotive and marine grade connectors
• ECU is fully potted and can be mounted in the engine compartment or interior
• Simple Installation - Plug and Play control of GM LS2/LS3/LS7 engines. Just plug the harness into your factory sensors, wire the power and grounds and you are ready to take complete control of your LS engine

Specifications

• Accelerometer Support: Yes
• Boost Control: Yes
• Brand: Holley EFI
• CAN-BUS Support: Yes
• Category: Air and Fuel Delivery
• Coil Per Cylinder Ignition Support: Yes
• Color: Black
• Crank Reluctor: 58x
• Datalogging Support: Yes
• Dry Nitrous Control: Yes
• e85 Support: Yes
• EGT Support: Yes
• Emission Code: 3
• Finish: Black
• Forced Induction Support: Yes
• Fuel Filter Included: No
• Fuel Hose Included: No
• Fuel Injectors Included: No
• Fuel Pressure Regulator Included: No
• Fuel Pump Included: No
• Grade Type: Performance
• Ignition Timing Control: Yes
• Ignition Type: GM LS 58x
• Individual Cylinder Fuel Corrections: Yes
• Injector Connector: Jetronic / Minitimer (Bosch)
• Intake Manifold Included: No
• Knock Retard Support: Yes
• Mounting Hardware Included: Yes
• Multi-Stage Nitrous Control: Yes
• Part Type: Fuel Injection Conversion Kit
• Product Type: HP EFI Kit
• Progressive Nitrous Control: Yes
• Self-Tuning: Yes
• Sub Category: Service Kits
• Throttle Position Sensor Included: No
• Traction Control Support: Yes
• User-Tuneable: Yes
• Wet Nitrous Control: Yes
• Part Number: 550-607N