Description
Holley Terminator X EFI Engine Management System – Ford 5.0L Windsor V8 – 550-937F
Upgrade your Ford 5.0L Windsor V8 with the Holley Terminator X EFI Engine Management System.
The Holley Terminator X is a powerful, fully programmable engine management solution designed for Ford 302ci / 5.0L Windsor V8 engines using the factory Ford TFI ignition system.
Developed for the 1987–1993 Ford Mustang Fox Body, this kit replaces the factory engine management system with modern electronic fuel injection control, self-learning fuel strategies, wideband oxygen sensor feedback and advanced tuning capabilities.
Ideal for performance engine builds, modified naturally aspirated engines and custom Ford Windsor EFI conversions.
Key Features
- Fully programmable Holley Terminator X ECU
- Designed for Ford 302ci / 5.0L Windsor V8 engines
- Compatible with factory Ford TFI distributor ignition
- Self-learning fuel control with closed-loop wideband feedback
- Bosch LSU 4.9 wideband oxygen sensor
- Integrated 1-bar MAP sensor
- Supports high-impedance fuel injectors
- EV1 / Bosch Jetronic injector connections
- 3.5-inch touchscreen handheld controller
- Integrated data logging capabilities
- Four programmable input/output channels
- Ignition timing control
- Individual cylinder fuel corrections
- Programmable electric fan, nitrous and boost-related functions
- Free Holley EFI laptop tuning software
- Base calibration files for common Ford V8 combinations
Kit Contents
- Holley Terminator X ECU
- ECU mounting bracket
- Fox Body Mustang engine wiring harness
- EV1 fuel injector harness
- Ford TFI ignition adapter harness
- Bosch LSU 4.9 wideband oxygen sensor
- Manifold air temperature (MAT) sensor
- Coolant temperature (CTS) sensor
- 3.5-inch touchscreen handheld controller
Vehicle Applications
Direct-fit application:
- 1987–1993 Ford Mustang 5.0L EFI with factory TFI distributor
Potential custom applications (modifications required):
- Ford EA–EL Falcon 5.0L Windsor conversions
- Ford EB–EL Falcon V8 performance projects
- Ford Fairlane and LTD Windsor EFI projects
- Ford 302 Windsor engine conversions
- Custom and motorsport applications using compatible Ford TFI ignition systems
Australian Ford Falcon and other non-Mustang applications require individual compatibility assessment. Wiring, ignition, fuel-system and vehicle integration modifications may be required.
Technical Specifications
| Specification | Details |
|---|---|
| Manufacturer | Holley EFI |
| Part Number | 550-937F |
| ECU Type | Terminator X |
| Engine Type | Ford Windsor V8 |
| Engine Capacity | 5.0L / 302ci |
| Fuel Injection | Multi-point electronic fuel injection |
| Ignition System | Ford TFI |
| Injector Type | High impedance |
| Injector Connectors | EV1 / Bosch Jetronic |
| MAP Sensor | Integrated 1-bar |
| Wideband Sensor | Bosch LSU 4.9 |
| Display | 3.5-inch touchscreen |
| Data Logging | Supported |
| Laptop Tuning | Supported |
| Transmission Control | Not included |
BPR Installation and Tuning Services
Bullet Performance Racing can assist with ECU application advice, installation planning, custom wiring requirements, engine calibration and performance tuning services.
Please contact us before ordering for Australian Ford Falcon or custom engine conversion applications.
Important: This system does not include electronic automatic transmission control. Additional components or a separate controller may be required. Suitability for road-registered vehicles and emissions compliance must be confirmed before installation.
Availability: Special Order – Please contact BPR for current pricing, lead time and availability.
Supplied by Bullet Performance Racing – Branching Automotive Technologies Pty Ltd.
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