Holley EFI- 550-1074 Terminator X Stealth 4150 2x4 - Shiny
8 Injectors - 800-1500 HP
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:
- The included Genuine Bosch LSU 4.9 Wideband Oxygen Sensor provides real-time Fuel Map Learn!
- OEM Style TPS/IAC and Fuel Pressure regulator, for years of dependable service
- 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)
- Bolt on 2x4 4150 Flange Carburetor Replacement
- Self-tuning ECU means you don’t have to be a computer/tuning wiz to have EFI!
- Simple Calibration Wizard (answer a few questions about your engine and it creates the base map, then starts tuning on its own!) - NO laptop required!
- Integrated ignition timing control
- Supports up to 1500 HP Naturally Aspirated or 1250 HP Forced Induction with Eight 100 Lb/Hr Injectors
- External fuel pressure regulator required, set to a base pressure of 58.5 PSI, such as Holley part # 12-886
- High Resolution Full Color Touchscreen for Initial Setup, Tuning, and Gauge Displays
- Included weld-in O2 sensor bung for the exhaust ensures a leak free oxygen sensor installation
- Internal 1bar MAP sensor, built into the Terminator X ECU
| Accelerometer Support | Yes |
|---|---|
| Air Metering Style | Mass Air Flow and Speed Density |
| Boost Control | Yes |
| Brand | Holley EFI |
| CAN-BUS Support | Yes |
| Category | Air and Fuel Delivery |
| CFM | 950 |
| Coil Per Cylinder Ignition Support | Yes |
| Color | Silver |
| Datalogging Support | Yes |
| Distributor Included | No |
| Dry Nitrous Control | Yes |
| e85 Support | No |
| EGT Support | Yes |
| Emission Code | 3 |
| Finish | Shiny |
| Flange Size | 4150 |
| Flange Style | Squarebore |
| Forced Induction Support | Yes |
| Fuel Filter Included | No |
| Fuel Hose Included | No |
| Fuel Injection Type | Sequential and Batch Fire |
| Fuel Injectors Included | Yes |
| Fuel Pressure | 58.5 PSI |
| Fuel Pressure Regulator Included | No |
| Fuel Pump Flow Rating | N/A |
| Fuel Pump Included | No |
| Fuel Pump Type | N/A |
| Grade Type | Performance |
| Handheld Included | Yes |
| Idle Air Control Motor Included | Yes |
| Ignition Timing Control | Yes |
| Ignition Type | Universal |
| Individual Cylinder Fuel Corrections | No |
| Injector Size | 100 lb/hr @ 58.5 PSI |
| Inlet / Outlet Size | 6AN |
| Intake Manifold Included | No |
| Knock Retard Support | Yes |
| MAP Sensor | 1 Bar |
| Max Horsepower Rating | 1500+ |
| Maximum Injector Quantity Supported | 8 |
| Multi-Stage Nitrous Control | Yes |
| Part Type | Fuel Injection Conversion Kit |
| Product Type | EFI System |
| Progressive Nitrous Control | Yes |
| Self-Tuning | Yes |
| Sub Category | Service Kits |
| Terminator LS Options | Fuel, Spark |
| Throttle Body Finish | Polished |
| Throttle Body Material | Aluminum |
| Throttle Bore | 1.75 in. |
| Throttle Position Sensor Included | Yes |
| Traction Control Support | Yes |
| Transmission | N/A |
| User-Tuneable | Yes |
| Wet Nitrous Control | Yes |
| UPC | 090127130391 |
| Part Number | 550-1074 |
