Part # 550-605
$3,093.95
Looking for a plug and play alternative for your stock or built late model factory EFI engine? How about a replacement ECU for your older Holley C950? Holley has you covered. HP EFI ECU and harness kits are designed to be used with popular factory EFI engines as an alternative to the factory ECU and harness or as a replacement for your C950 ECU. The HP allows you to accurately control the fuel and ignition of your engine along with additional controls for nitrous, boost or water meth.
Features & Benefits
Uses Holley Water/Meth solenoids specially designed and calibrated for use with this EFI system to allow the user to enter Water/Meth flow as a percentage of fuel injector flow for Water/Meth tuning precision unmatched in the industry
Fits: Unterminated Universal Harness, Includes Bosch Oxygen Sensor
Installation note: ECU is certified to ISO 8846, SAE J1171 & United States Coast Guard Requirements for Ignition Protection & Fire Resistance. Holley HP EFI systems are equipped with 4 programmable inputs and 4 programmable outputs that are ideal for most vehicles with a single power adder. This feature allows the user to configure the system to support a wide range of controls including boost control, progressive nitrous, water/meth injection, speed inputs, fuel pump control, AC inputs, timing retard inputs and various other uses. When selecting an ECU, users need to ensure their planned controls can be run with the 4 inputs and 4 outputs as certain combinations may use more I/Os than are available. If more I/Os are required, users should choose the Dominator VMS. Software and firmware updates can be downloaded here for free.
| Accelerometer Support | Yes |
| Boost Control | Yes |
| CAN-BUS Support | Yes |
| Coil Per Cylinder Ignition Support | Yes |
| Datalogging Support | Yes |
| Dry Nitrous Control | Yes |
| EGT Support | Yes |
| Forced Induction Support | Yes |
| Ignition Timing Control | Yes |
| Ignition Type | Coil - (No Timing Control), Ford TFI, GM HEI Small Cap, Holley Dual Sync Distributor |
| Individual Cylinder Fuel Corrections | Yes |
| Injector Connector | Jetronic / Minitimer (Bosch) |
| Knock Retard Support | Yes |
| Multi-Stage Nitrous Control | Yes |
| Progressive Nitrous Control | Yes |
| Self-Tuning | Yes |
| Traction Control Support | Yes |
| User-Tuneable | Yes |
| Wet Nitrous Control | Yes |
| e85 Support | Yes |
The EFI Brain
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