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$4,001.99
Holley 550-822 Avenger EFI Stealth Ram MPFI Fuel Injection System
Holley 550-822 Avenger EFI Stealth Ram MPFI Fuel Injection System

Holley 550-822 Avenger EFI Stealth Ram MPFI Fuel Injection System

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Holley 550-822 Avenger EFI Stealth Ram MPFI Fuel Injection System
Holley 550-822 Avenger EFI Stealth Ram MPFI Fuel Injection System
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We estimate this item will ship on or before August 17th.
Part # 425550822
$4,001.99
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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.

Details

GTIN Code:
090127667026

Info

You're sure to get some attention when you pop the hood and show an Avenger Stealth Ram Multi-Port EFI system! Available for traditional or Vortec headed SB Chevys, the Avenger's self-tuning capabilities make it as easy as 1, 2, 3 to get your car up and running with EFI. The tunnel ram design of the Stealth Ram builds power in the upper RPM range while maintaining excellent mid-range torque as well. Avenger Stealth Ram 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 the 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

Installation Instructions (PDF)

Installation Instructions (PDF)

Some parts are not legal for use in California or other states with similar laws/regulations

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  • Speedway Motors employee Pat O. takes some time to discuss the Fuel Gauge Interface Module that allows you to use any gauge set with almost any fuel level sending unit.
  • After installing the intake manifold and carbs on his 8BA, Heath P. continues on to the fuel and throttle setup. See how he mounts each part while making modifications to complete the install.

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