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Part number: 550-402
Universal product
Product Details
Holley 550-402 Avenger EFI Throttle Body Fuel Injection System
Products specifications
Airflow Rate (cfm) 900 cfm
Calibration Module Included Yes
Distributor Included No
ECM Included Yes
Fuel Pressure Regulator Included No
Fuel Pump Included Yes
Fuel Rails Included No
IAC Motor Included No
IAT Sensor Included No
Injection Style Throttle body
Injector Size (lbs/hr) 85 lbs./hr.
Injectors Included Yes
Intake Manifold Included No
MAP Sensor Included No
Metering Style Speed density
Notes Designed for engines from 450-600 horsepower.
Oxygen Sensor Included Yes
Quantity Sold as a kit.
Throttle Body Finish Natural
Throttle Body Included Yes
Throttle Body Material Cast aluminum
Throttle Body Mounting Flange 4-barrel square bore
TPS Sensor Included No
Venturi Quantity 4
Wiring Harness Included Yes

Supply needed TPS signal.

  • Plug and play control of factory engines
  • 4 programmable outputs
  • 4 programmable inputs
  • Self tuning capabilities
  • Utilize a laptop or hand held tuner
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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.
Looked my item up on Amazon and autoplicity was the lowest by far. I ordered on Sunday, it was shipped on Tuesday, and I received it on Thursday.
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