Holley EFI HP EFI ECU & Harness Kits GVMR 550-602N ^

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Part # 550-602N

• ECU is certified to ISO 8846, SAE J1171 & United States Coast Guard Requirements for Ignition Protection & Fire Resistance
• 1-5 Bar MAP sensor capability
• Easy To Use - Laptop programmable ECU includes a variety of base maps that will have you hitting the cruise or track in no time
• Sealed automotive and marine grade connectors
• 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!
• The NTK Oxygen Sensor is recommended when using leaded or methanol fuels, high exhaust temperatures and forced induction applications or for highest precision feedback
• 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
• "Optional plug and play hand-held programmer, 5.7"" touchscreen and digital gauges are available for ultimate control and vehicle monitoring"
• ECU is fully potted and can be mounted in the engine compartment or interior
• Industry Leading Self Tuning Fuel Strategy - means less time tuning and more time enjoying the power of your LS vehicle
• 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.)
• Simple Installation - Plug and Play control of GM LS1/LS6 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
• Kit includes ECU, harness, communication cable, software and and NTK wideband 02 sensor designed to be used with GM LS1/LS6 engines with factory GM coils and a 24 tooth crank sensor

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! Stop re-flashing your factory ECU every time you make a performance modification. Get Holley EFI today!

Vehicle information below is not a guaranty of fitment. If you have fitment concerns, please call prior to ordering.

1900

We are an authorized retailer for all Holley EFI products. The standard manufacturer warranty applies. If you ever have manufacturer warranty concerns or questions on products you purchased from us, we can help! We are a family owned and operated company that values all of our customers. We are here to assist with all future warranty concerns!