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-10% HP Universal Retrofit Kit, Dominator Carburetor Intake Manifolds

If you have a carbureted engine, want to install electronic fuel injection, but are looking for something more than a throttle-body injection setup, these EFI retrofit kits are an excellent choice. Besides including the HP ECU, harness, and throttle body, this kit comes with all of the the essentials to convert your carburetor-style manifold to EFI, including fuel injector bungs, fuel rail, injector clips, and fuel pressure regulator. Don't worry, the key sensors (Bosch O2, coolant temperature, air temperature, 1-BAR MAP) are all there too. It's even got a block-off plate for your mechanical fuel pump, if you require that.

The throttle body in this kit is Holley's billet aluminum 2000 CFM Dominator-style throttle body, equipped with throttle position sensor and Idle air control hardware. Complete instructions take you step-by-step through the process of manifold preparation, fuel system design, plumbing, throttle body and O2 sensor installation, and wiring. And we're always standing behind you with our Holley certified Tier-III installation technicians.

Not Sure? Review this product documentation before you buy!

Installation Manual
Holley Universal EFI Retrofit Kit

Injector Bung Installation Instructions

Boost ControlIntegrated (Utilizing at least two I/O Ports.) Control based on time, gear, speend, and/or manual selection. Requires 557-200 Boost Control Solenoid Valve.
DIS OutputsCan drive up to 8 "smart" or Holley coils (can drive 2-wire coils with 554-112 Coil Driver)
Fueling StrategySpeed Density, Alpha-N, or Combination
Includes Power HarnessYes
Injector DriversEight Sequentially-Driven Peak & Hold Drivers capable of driving up to 16 low or high impedance injectors
Internal Datalogging4 GB
Knock Control Channels2
Nitrous ControlIntegrated 4 Stage (Utilizing at least two I/O ports.) Progressive control utilizing 554-111 solenoid driver.
Number of Cylinders4, 6, or 8 (Even Fire Only)
User Configurable I/O4 programmable PWM outputs (2 high and 2 low) and 4 fully configurable inputs.
User-Selectable MAP StorageN/A
Water-Methanol ControlIntegrated (Utilizing at least two I/O Ports.) Recommend Holley Water-Methanol pump, nozzles, and install kit.
Throttle Bodies
Airflow Rate (CFM)2000 CFM
Barrels (BBL)4
Gaskets IncludedYes
IAC Motor IncludedYes
Injectors IncludedYes
StyleMulti-Point Fuel Injection
Throttle Bore Diameter (ea)57.15 mm
TPS Sensor IncludedYes
Fuel Pressure Regulators
Pressure Range15-65 PSI
Fuel Rails
Inside Diameter1/2 Inch
Harness TypeMain Harness, Power Harness, 8 Injector Harness (Bosch EV1 Injectors)
TypeCoolant Temperature, Air Temperature, Bosch Wideband O2 Sensor, Throttle Position, 1-Bar MAP
Also IncludedMechanical Fuel Pump blockoff Plate
ColorPolished Throttle Body
Emission Code3
OEM ReplacementNo
Unit of SaleKit

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HP Universal Retrofit Kit, Dominator Carburetor Intake Manifolds

  • Views: 14177
  • Brand: Holley EFI
  • Product Code: 550-501
  • Availability: In Stock
  • $4,790.00
  • $4,310.95

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