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

Item EK-55-852219-1
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      Product Information

      Features, Description, Q&A

      Features

      • Gm Ls1/Ls6 (24x Crank Sensor) With Jetronic/Minitimer (Bosch Type) Connectors On Injector Harness
      • Includes Ntk Oxygen Sensor
      • Legal For Sale And Use On Uncontrolled Non-Emissions Controlled Vehicles
      • Ecu Certified To Iso 8846, Sae J1171 & United States Coast Guard Requirements For Ignition Protection & Fire Resistance
      • 1-5 Bar Map Sensor Capability
      • Laptop Programmable Ecu Includes Variety Of Base Maps
      • Sealed Automotive And Marine Grade Connectors
      • Supports Boost, Nitrous, Water/Meth, Individual Cylinder Control And More
      • Recommended Ntk Oxygen Sensor For Leaded Or Methanol Fuels, High Exhaust Temperatures And Forced Induction
      • Compatible With Stock 5.3l Engine Swaps And 3,000+ Horsepower Race Cars
      • Optional Hand-Held Programmer, 5.7” Touchscreen And Digital Gauges Available
      • Fully Potted Ecu Suitable For Engine Compartment Or Interior Mounting
      • Industry Leading Self Tuning Fuel Strategy
      • More Functionality Than Oem Or Competitive Ecu Including Boost, Nitrous, Water/Meth Injection, Fan, Pump And Relay Controls
      • Simple Installation With Plug And Play Control For Gm Ls1/Ls6 Engines
      • Kit Includes Ecu, Harness, Communication Cable, Software And Ntk Wideband 02 Sensor
      • Accelerometer Support
      • Boost Control
      • Can-Bus Support
      • Coil Per Cylinder Ignition Support
      • Crank Reluctor 24x
      • Datalogging Support
      • Dry Nitrous Control
      • E85 Support
      • Egt Support
      • Emission Code 3
      • Forced Induction Support
      • Fuel Filter, Fuel Hose, Fuel Injectors, Fuel Pressure Regulator Or Fuel Pump Not Included
      • Performance Grade
      • Ignition Timing Control
      • Ignition Type Gm Ls 24x
      • Individual Cylinder Fuel Corrections
      • Injector Connector Jetronic / Minitimer (Bosch)
      • Knock Retard Support
      • Multi-Stage Nitrous Control
      • Part Type Fuel Injection Conversion Kit
      • Progressive Nitrous Control
      • Self-Tuning
      • Sub Category Service Kits
      • Throttle Position Sensor Not Included
      • Traction Control Support
      • User-Tuneable
      • Wet Nitrous Control
      • Fits Gm Ls Engines Including Ls1/Ls6 With Factory Coils And 24 Tooth Crank Sensor

      Description

      High-Performance Engine Management. The Holley EFI GM LS1/LS6 HP EFI ECU and Harness Kit is designed to deliver precise fuel and ignition control tailored for GM LS engines. It optimizes engine performance from stock to highly modified setups, including boost, nitrous oxide, or water/methanol injection, simplifying tuning by eliminating the need to reflash factory ECUs during upgrades.

      Construction and Appearance. This system features a fully potted ECU for maximum durability, resistant to harsh engine environments, suitable for mounting in engine compartments or inside the vehicle. It includes sealed automotive and marine-grade connectors with Jetronic/Minitimer (Bosch type) injector harness connectors and comes with an NTK wideband oxygen sensor engineered for demanding applications.

      Installation. Installation is straightforward with plug-and-play control designed specifically for GM LS1 and LS6 engines. The harness connects directly to factory sensors with minimal wiring required, making it accessible for both advanced enthusiasts and professional installers.

      Application. This kit fits GM LS engines, particularly LS1 and LS6 models equipped with factory GM coils and 24 tooth crank sensors. It supports a wide range of LS engine sizes that meet this configuration, offering broad compatibility within the LS engine family.

      Holley EFI 550-602N

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

      4.8

      Reviews of Holley EFI Classic Engine Products (1)

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