Product • Support • Tuning
Part # 550-1076
$3,712.95
The Terminator X Stealth 4150 2x4 EFI systems from Holley features 8, 100LB/HR Fuel Injectors capable of supporting up to 1500 HP naturally aspirated or 1250 HP on forced induction applications. The Terminator X ECU is capable of fuel map self-learning and ignition timing control, improving idle stability, drivability, and wide-open throttle horsepower.
Features & Benefits
Plug and play compatible with multiple Holley EFI accessories including our gauges, shift lights, various modules, and digital and pro dashes (Holley P/N's 553-106, 553-111, and 553-112)
Fits: 8 Injectors - 800-1500 HP
In the box: Fuel Injectors, Handheld, Throttle Position Sensor
| Accelerometer Support | Yes |
| Boost Control | Yes |
| CAN-BUS Support | Yes |
| CFM | 950 |
| Coil Per Cylinder Ignition Support | Yes |
| Color | Gold |
| Datalogging Support | Yes |
| Dry Nitrous Control | Yes |
| EGT Support | Yes |
| Finish | Gold |
| Flange Size | 4150 |
| Flange Style | Squarebore |
| Forced Induction Support | Yes |
| Fuel Pressure | 58.5 PSI |
| Ignition Timing Control | Yes |
| Ignition Type | Universal |
| Individual Cylinder Fuel Corrections | No |
| Injector Size | 100 lb/hr @ 58.5 PSI |
| Inlet / Outlet Size | 6AN |
| Knock Retard Support | Yes |
| MAP Sensor | 1bar |
| Max Horsepower Rating | 1500+ |
| Multi-Stage Nitrous Control | Yes |
| Progressive Nitrous Control | Yes |
| Self-Tuning | Yes |
| Terminator LS Options | Fuel, Spark |
| Throttle Bore | 1.75 in. |
| Traction Control Support | Yes |
| Transmission | N/A |
| User-Tuneable | Yes |
| Wet Nitrous Control | Yes |
| e85 Support | No |
The EFI Brain
Chat is launching soon. In the meantime, reach us directly — email is fastest.
Email horsepowerconnection@gmail.com Text 928-706-6112 Call 928-706-6112 All support options ›