Skip to main content

Holley EFI H550-607

Holley EFI 550-607 - HP EFI ECU & Harness Kits

SKU: H550-607

$3,206.95
(No reviews yet) Write a Review

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!

Adding to cart… The item has been added
IN STOCK

Description

Simple Installation - Plug and Play control of GM LS2/LS3/LS7 engines. Just plug the harness into your factory sensors, wire the power and grounds and you are ready to take complete control of your LS engine

More Functionality - Provides significantly more functionality than OEM or other competitive ECUs (boost control, nitrous control, water/meth injection, plus a host of additional inputs and outputs to control fans, pumps, relays etc.)

Easy To Use - Laptop programmable ECU includes a variety of base maps that will have you hitting the cruise or track in no time

Ideal For Everything - including stock 5.3L engine swaps or all out, 3,000+ horsepower race cars that need a simple and powerful ECU and harness solution

Industry Leading Self Tuning Fuel Strategy - means less time tuning and more time enjoying the power of your LS vehicle

Kit includes ECU, harness, communication cable, software, Jetronic/Minitimer (Bosch style) injector connectors, and Bosch wideband O2 sensor, designed to be used with GM LS2/LS3/LS7 engines with factory GM coils and a 58 tooth crank sensor

ECU is fully potted and can be mounted in the engine compartment or interior

Sealed automotive and marine grade connectors

1-5 Bar MAP sensor capability

Optional plug and play hand-held programmer, 5.7" touch screen and digital gauges are available for ultimate control and vehicle monitoring

ECU is certified to ISO 8846, SAE J1171 & United States Coast Guard Requirements for Ignition Protection & Fire Resistance

For a full list of advanced such as boost, nitrous, water/meth, individual cylinder control and more click the document icon under the product image!

Details

  • H550-607
  • H550-607
  • 090127687505
  • Holley EFI
  • Will be special ordered for you.

Categories

Shipping Information

  • Item Requires Shipping
  • H7.50"
  • Ships within 1-2 business days

California Residents: Prop 65

WARNING: Cancer and Reproductive Harm -