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Holley 554-116 Avenger EFI ECU and Handheld Tuner
Holley 554-116 Avenger EFI ECU and Handheld Tuner

Holley 554-116 Avenger EFI ECU and Handheld Tuner

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Holley 554-116 Avenger EFI ECU and Handheld Tuner
Holley 554-116 Avenger EFI ECU and Handheld Tuner
Holley 554-116 Avenger EFI ECU and Handheld Tuner
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Holley 554-116 Avenger EFI ECU and Handheld Tuner
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Part # 425554116
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GTIN Code:
090127665800

Info

The New Avenger EFI is intended for users who want a "Bolt on and Go" EFI system without the need for a laptop computer! Avenger EFI systems are perfect for performance street engines, most crate engines and mild street / strip applications. Simply bolt on an Avenger system, answer a few easy questions and let it do the tuning for you! Here we offer the service replacement parts for the ECU & handheld tuner.

  • This is a service replacement part for the Holley Avenger EFI system that includes the ECU & handheld tuner only.
  • Please see the following Avenger systems for full feature descriptions:
  • Avenger EFI 2bbl Throttle Body Fuel Injection System - 550-200
  • Avenger EFI Multi-Point Fuel Injection Systems - 550-811 (early to late heads), 550-816 (Vortec heads), 550-831 (rectangular port heads), & 550-836 (oval port heads)
  • Avenger EFI Stealth Ram(tm) Systems - 550-821 (early to late heads), 550-822 (early to late heads - polished), 550-826 (Vortec heads), & 550-827 (Vortec heads - polished)

Installation Instructions (PDF)

Installation Instructions (PDF)

Important Messages:

  • This product is discontinued.
  • Get FREE shipping when your order includes this item and exceeds $99! Ground shipping only in the contiguous US.
Some parts are not legal for use in California or other states with similar laws/regulations

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