Holley Avenger EFI Stealth Ram MPFI Fuel Injection System, Small Block Chevy, Early to Late Heads, 36 lb per hour injectors, Range Up to 500 HP, Polished, Part Number: 550-822
You're sure to get some attention when you pop the hood and show an Avenger Stealth Ram Multi-Point EFI system! Available for traditional or Vortec headed SB Chevys, the Avenger's Self-tuning capabilities make it 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!
Installation Notes:
All Avenger EFI systems come with all installation components including wiring harness, sensors and in-line pump. Return fuel line to tank is not included.
ECU is certified to ISO 8846, SAE J1171 & United States Coast Guard Requirements for Ignition Protection & Fire Resistance.
Features:
- 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 - Included full color OLED hand-held tuner 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 calibrations: Come complete with all hardware to retrofit EFI on a non-EFI vehicle including fuel pump
- 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
- EGR:
- No
- Injection Style:
- Multi-port
- Metering Style:
- Speed density
- Intake Manifold Included:
- Yes
- Intake Section Included:
- Yes
- Intake Material:
- Aluminum
- Intake Finish:
- Polished
- Engine Block Style:
- Stock/OEM standard deck
- Fuel Rails Included:
- Yes
- Throttle Body Included:
- Yes
- Throttle Body Mounting Flange:
- GM TPI
- Venturi Quantity:
- 2
- Venturi Diameter (mm):
- 58.00mm
- Airflow Rate (cfm):
- 1,000 cfm
- Throttle Body Material:
- Billet aluminum
- Throttle Body Finish:
- Polished
- Injectors Included:
- Yes
- Injector Size (lbs/hr):
- 36 lbs./hr.
- Calibration Module Included:
- No
- ECM Included:
- Yes
- Wiring Harness Included:
- Yes
- Oxygen Sensor Included:
- No
- Fuel Pump Included:
- Yes
- Fuel Pressure Regulator Included:
- No
- Distributor Included:
- No
- MAP Sensor Included:
- No
- IAT Sensor Included:
- No
- TPS Sensor Included:
- No
- IAC Motor Included:
- No
- Quantity:
- Sold as a kit.
