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Holley 550-836 Avenger EFI 4bbl Multi-Port Fuel Injection System
Holley 550-836 Avenger EFI 4bbl Multi-Port Fuel Injection System

Holley 550-836 Avenger EFI 4bbl Multi-Port Fuel Injection System

396 Chevy Big Block V8, 402 Chevy Big Block V8, 427 Chevy Big Block V8, 454 Chevy Big Block V8

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Holley 550-836 Avenger EFI 4bbl Multi-Port Fuel Injection System
Holley 550-836 Avenger EFI 4bbl Multi-Port Fuel Injection System
Holley 550-836 Avenger EFI 4bbl Multi-Port Fuel Injection System
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Holley 550-836 Avenger EFI 4bbl Multi-Port Fuel Injection System
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We estimate this item will ship on or before September 25th.
Part # 425550836
$4,265.95
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GTIN Code:
090127667125

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Avenger Multi-Port EFI systems for small or big block Chevys are ready for the street or strip with the simple swap of an intake! Whether you have a stock engine, crate or custom-built engine, Avenger Multi-Port systems can help you maximize performance and the Avenger's self-tuning capabilities will get you to the cruise or race in no time. Avenger Multi-Port systems include: intake manifold, billet throttle body, ECU, wiring harness, fuel rails, injectors, fuel pump and related small parts. Set up is done on the included hand-held tuner so no laptop is required!

  • Self-tuning fueling strategy tunes while you drive - Designed for the user that wants ease of use without having to be a tuning expert
  • Requires no laptop computer to set up or tune - Includes full color OLED hand-held tuner that offers simple setup and easy tuning of basic parameters such as engine idle speed. Still allows for users to change other parameters to further fine tune base
  • Dedicated fuel and oil pressure inputs
  • Allows for computer controlled ignition timing if desired
  • System can be upgraded in the future to a Holley HP EFI System if desired

Charts

Installation Instructions (PDF)

Installation Instructions (PDF)

Important Messages:

  • This item ships directly from the manufacturer. It may take an additional 2 business days for Holley to ship this item.
  • Get FREE shipping when your order includes this item and exceeds $99! Ground shipping only in the contiguous US.
  • This item ships via Ground Shipping only. Expedited and Air shipping options are not available.
Some parts are not legal for use in California or other states with similar laws/regulations

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