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.
  • Simple Installation - Plug And Play
  • Significantly More Functionality Than Other Competitive ECUs
  • Laptop Programmable ECU Includes Many Base Maps For Easy Use
  • For Anything That Needs Simple And Powerful ECU/Harness Solution
  • Self Tune Fuel Strategy More Time Enjoying Your Vehicle Power
  • ECU Fully Potted/Can Mount In The Engine Compartment Or Interior
  • Sealed Automotive And Marine Grade Connectors
  • 1-5 Bar Map Sensor Capability
  • 5.7 Touchscreen And Digital Gauges For Control/Monitoring
California Proposition 65 No
Country of Origin (Primary) US
Crank Reluctor 24x
Emission Code Off Road
GTIN 00090127666920
Harmonized Tariff Code (Schedule B) 8409914000
Hazardous Material Code N
Life Cycle Status Code Available to Order
NAFTA Preference Criterion Code B
SDR Required Flag N

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Holley 550-602 ECU & Harness Kit LS1

Product Information

  • Brand: Holley
  • Product Number: 550-602