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HP EFI ECU & Harness Kits

: In stock

: Fuel Injection Conversion Kit

: Holley EFI

: 550-602

$2,719.95 $2,981.95

Looking for a plug and play kit for your GM LS engine? The HP ECU allows you to accurately control the fuel...

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Looking for a plug and play kit for your GM LS engine? The HP ECU allows you to accurately control the fuel and ignition of your engine plus much more! Got a stock LS engine? Simply download a base map and you're on your way. Got a turbocharged, nitrous fed LS engine on water/meth? This HP EFI kit can control that too! Stop re-flashing your factory ECU every time you make a performance modification. Get Holley EFI today!

Your order of 100$ or more gets free standard delivery.

  • Standard delivered 4-5 Business Days
  • Express delivered 2-4 Business Days

Orders are processed and delivered Monday-Friday (excluding public holidays)


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HP EFI ECU & Harness Kits

$2,719.95 $2,981.95