Complete VCU Solution for 6-8 Cylinder Builds
The Nexus S3 VCU + Universal Wire-in Harness Kit brings the power of Haltech’s Nexus technology to 6 and 8-cylinder engines (and up to 4 rotors). This kit combines the Nexus S3 VCU with a 2.5-meter universal harness, providing a complete platform for wiring a high-performance vehicle with integrated power distribution.
Expanded Capabilities
The Nexus S3 sits between the S2 and the R5, offering expanded I/O for larger engines. It features 8 injector and 8 ignition drivers, enabling sequential control for V8s. Like other Nexus units, it integrates a PDM, Wideband Controller, and Data Logger. The included universal harness is pre-terminated for the S3, simplifying the installation of complex engine and power systems into custom chassis.
Operational Benefits
- V8 Ready: Full sequential fuel and spark for 8-cylinder engines.
- Power Management: Controls high-current devices directly, simplifying the car’s electrical backbone.
- Data Rich: 128MB logging for detailed performance analysis.
Fitment Guide
Engine Compatibility: Up to 8 Cylinders / 4 Rotors
Harness Type: Universal Wire-in (2.5m)
Technical Specifications
| VCU Model | Haltech Nexus S3 |
| Included Harness | 2.5m Universal Wire-in |
Summary & What’s Included
A comprehensive VCU and harness package for high-cylinder-count performance.
Includes:
- Nexus S3 VCU
- Universal Wire-in Harness (2.5m)
- SurLok Connectors
- USB-C Cable
- Wi-Fi Antenna
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