Holley EFI 550-607N HP EFI ECU And Harness Kit GM LS2/LS3/LS7 Incl. ECU/Harness Incl. NTK Oxygen Sensor HP EFI ECU And Harness Kit

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CA $1.99

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Product Description

  • HOLLEY 550-607N HP ECU AND HARNESS, LS2/3/7, BOSCH INJ, NTK

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 C950? 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.


Customer reviews(1)

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Phillip walker
October 9, 2018
Holley HP was exactly what I wanted seller was great to deal with definitely well be buying more soon