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Part number: 550-831
Product Details
Holley 550-831 Avenger EFI Multi-Point Fuel Injection System
Products specifications
Airflow Rate (cfm) 1,000 cfm
Calibration Module Included No
Distributor Included No
ECM Included Yes
Engine Block Style Stock/OEM standard deck
Fuel Pressure Regulator Included No
Fuel Pump Included Yes
Fuel Rails Included Yes
IAC Motor Included No
IAT Sensor Included No
Injection Style Multi-port
Injector Size (lbs/hr) 48 lbs./hr.
Injectors Included Yes
Intake Finish Natural
Intake Manifold Included Yes
Intake Material Aluminum
Intake Section Included Complete
MAP Sensor Included No
Notes Standard deck with rectangle ports.
Oxygen Sensor Included Yes
Quantity Sold as a kit.
Throttle Body Finish Natural
Throttle Body Included Yes
Throttle Body Material Billet aluminum
Throttle Body Mounting Flange 4-barrel square bore
TPS Sensor Included No
Venturi Quantity 4
Wiring Harness Included Yes
Cylinder Head Type Rectangular Port
Engine Make/Size Chevy Big Block (396-502)
Fuel Rate 48 lbs./hr
Pop code D
Prop 65 No
Origin US

Self-Tuning Fueling Strategy While You Drive.

  • Can be upgraded to HP EFI system if desired
  • Dedicated fuel and oil pressure inputs
  • Offers simple setup and easy tuning
  • Includes full color LED hand-held tuner
  • Requires No Laptop Computer To Set Up Or Tune

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fast and easy to find the parts I need thank you
Very happy with my purchase and product from Autoplicity! Highly recommend.
Very high level of responsive customer service, wow!  And the items arrived immediately, so fast I thought there might be a mistake.  :D
thx Sean!
Great seller, price, and shipping was fast. I will do business with again.
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