Description
Holley 550-1080 Details
Holley Terminator X Stealth 2X4 4500 Kit
Terminator X Stealth 4500 2×4 – 8 Injector – 800-1500 HP – Shiny
The Terminator X Stealth 4500 2×4 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! Designed to fit with Gen 3 Ultra Dominator air cleaners and fuel crossovers, allowing you to easily convert your 4500 equipped 800+ horsepower dragster or door car!
Features:
- Each throttle body contains 4x 100lb/hr fuel injectors
- Universal engine harness allows you to easily install the Terminator X 2×4 4500 system on a wide variety of engine combinations
- Timing Control support integrated within the ECU using supporting components (distributor, ignition box, or crank trigger)
- High Resolution Full Color Touchscreen for Initial Setup, Tuning, and Gauge Displays
- 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!
- Self-tuning ECU means you don’t have to be a computer/tuning wiz to have EFI!
- The included Genuine Bosch LSU 4.9 Wideband Oxygen Sensor provides real-time Fuel Map Learn!
- Included weld-in O2 sensor bung for the exhaust ensures a leak free oxygen sensor installation
- Plug and play with Holley EFI Accessories, such as the 12.3″ and 6.86″ Pro Dash; CAN EGT; and Digital Analog style EFI gauges
Holley 550-1080 Specifications
| KEY SPECS | |
|---|---|
| MFG. Part # | 550-1080 |
| Brand | Holley |
| Injection Style | Throttle Body |
| CFM | 2880 CFM |
| Injector Size | 100 lbs./hr. |
| Max Horsepower Rating | 1500 |
| ECM Included | Yes |
| GENERAL | |
| Carburetor Flange Type | 4-Barrel Square Bore |
| User Tunable | Yes |
| Self Tuning | Yes |
| Injectors Included | Yes |
| Intake Manifold Included | No |
| Metering Style | Speed density |
| EGR | No |
| Throttle Body Included | Yes |
| Throttle Body Material | Cast Aluminum |
| Throttle Body Finish | Polished |
| Throttle Body Flange Type | 4-Barrel Square Bore |
| Venturi Quantity | 8 |
| Fuel Pump Included | No |
| Fuel Rails Included | No |
| Calibration Module Included | Yes |
| Wiring Harness Included | Yes |
| Fuel Pressure Regulator Included | No |
| Distributor Included | No |
| MAP Sensor Included | Yes |
| IAC Motor Included | Yes |
| IAT Sensor Included | Yes |
| TPS Sensor Included | Yes |
| Emission Code | 3 |
| Use with Power Adder | Yes |
| Throttle Body Style | Throttle Body Injection (TBI) |
| Throttle Body Barrels | 4-Barrel |
| Bore Size | 2.125″ |
| GTIN Code | 090127130230 |
| Sold in Quantity | Kit |









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