Premium VCU Control for V8 Applications
The Nexus R3 + Universal Wire-in Harness Kit combines the high-performance Nexus R3 VCU with a 2.5-meter universal harness. This VCU is Haltech’s premium solution for 8-cylinder applications, offering advanced power distribution and engine control features in a robust package. It is designed for race cars and high-end street builds where simplified wiring and total control are required.
Advanced VCU Architecture
The Nexus R3 features 4 x 25A high-current outputs for PDM functionality, capable of powering fans, pumps, and transbrakes directly. It supports 8-cylinder sequential injection and direct fire ignition. The included universal harness utilizes high-quality TXL wire and is pre-terminated for the R3, allowing for a clean, custom installation into any chassis.
Operational Benefits
- Integrated PDM: Reduces vehicle weight and wiring complexity.
- Data Logging: 128MB of on-board storage for race data.
- Comprehensive Control: Manages engine, transmission, and power distribution.
Fitment Guide
Engine Compatibility: Up to 8 Cylinders / 4 Rotors
Harness Type: Universal Wire-in (2.5m)
Technical Specifications
| VCU Model | Haltech Nexus R3 |
| System Type | VCU + PDM + Logger |
Summary & What’s Included
A complete VCU package for V8 performance.
Includes:
- Nexus R3 VCU
- Universal Wire-in Harness
- SurLok Connectors
- Wi-Fi Antenna
- USB-C Cable









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