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
  • More Functionality
  • Easy To Use
  • Ideal For Everything
  • Industry Leading Self Tuning Fuel Strategy
  • Sealed Automotive And Marine Grade Connectors
Country of Origin (Primary) US
Crank Reluctor 24x
Emission Code Off Road
Harmonized Tariff Code (Schedule B) 8409914000
Hazardous Material Code N
Life Cycle Status Code 2
Life Cycle Status Description Available to Order
MSDS Required Flag N
NAFTA Preference Criterion Code B

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Holley 550-602 ECU & Harness Kit LS1 Components

  • Brand: Holley
  • Product Number: 550-602
  • $1,766.99