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Holley EFI GM LS1/LS6 HP EFI ECU and Harness Kit (Universal; Some Adaptation May Be Required)

Item EK-33-852219-1
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$2,899.95

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      Product Information

      Features, Description, Q&A

      Features

      • 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
      • 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.)
      • Easy To Use - Laptop programmable ECU includes a variety of base maps that will have you hitting the cruise or track in no time
      • 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
      • Industry Leading Self Tuning F

      Description

      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? This HP EFI kit can control that too! Stop reflashing your factory ECU every time you make a performance modification. Get Holley EFI today!
      Features:

      Holley EFI 550-602N

      CA Residents: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov

      4.3

      Reviews of Holley EFI Engine Products (2)

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