Engine Control Module HP EFI ECU And Harness Kit; GM LS2; Incl. ECU/Harness; Unterminated Universal Harness; Incl. Bosch Oxygen Sensor; FEATURES: Simple Installation - Plug And Play Boost Control - Boost Vs Time/Gear/Rpm/Speed Over-Boost Safety 5.7 in. Color Touchscreen For On-The-Fly Tune/DataLog/Gauge Panel Advance Idle/Closed Loop/Enrichment Strategy For Stable Operation Industry Leading Self Tuning Fuel Strategy ECU Is Fully Potted And Can Be Mounted In Engine Comp Or Intr. Sealed Automotive And Marine Grade Connectors Calibrated To Enter Percent Flow Of Injector Flow For Pre Looking for a plug and play alternative for your stock or built late model factory EFI engine? How about a replacement ECU for your older Holley C950? Holley has you covered. HP EFI ECU and harness kits are designed to be used with popular factory EFI engines as an alternative to the factory ECU and harness or as a replacement for your C950 ECU. The HP allows you to accurately control the fuel and ignition of your engine along with additional controls for nitrous, boost or water meth. Holley has been the undisputed leader in fuel systems for over 100 years. Holley carburetors have powered every NASCAR Sprint Cup team and nearly every NHRA Pro-Stock champion for four decades. Now, Holley EFI is dominating the performance world as well as our products for GM's LS engine. Holley's products also include performance fuel pumps, intake manifolds & engine dress-up products for street performance, race and marine applications. As a single solution, or partnered with products from other Holley companies - Hooker Headers, Flowtech Exhaust, NOS Nitrous, Weiand, Earl's Performance Plumbing, or Diablosport - Holley products can give you the edge you need over the competition.