The Haltech Elite 2500 Terminated Harness Kit for Nissan RB Twin Cam engines is an advanced engine management solution built for high-performance builds running Series 2 ignition systems. Suited for RB20, RB25, and RB26 engines with coils featuring integrated ignitors, this system offers plug-and-play simplicity with expansive tuning and race control functions.

Paired with Haltech’s industry-leading Elite 2500 ECU and terminated harness system, this package offers rapid install and full programmability, giving enthusiasts and tuners complete control over engine behavior and performance output.

Note: For sanctioned off-road and competition use only.

Key Features

• Complete Plug-and-Play Kit for Nissan RB Engines:

  • Suits RB20, RB25, RB26 with Series 2 ignition coils (built-in ignitor)

  • Manual transmission applications only

• Advanced ECU Management via Elite 2500:

  • DBW support, flex fuel compatibility, dual-bank closed-loop O2

  • Independent variable camshaft control (up to 4 cams)

  • Dual knock sensing, staged injection, anti-lag, and more

• High-Speed Data and Race Functions:

  • Built-in and laptop data logging

  • Launch control, rolling anti-lag, traction control, flat shift

  • Closed-loop boost control with multiple logic modes

• NSP Software Support: Latest Haltech tuning environment for refined user experience and tuning flexibility

• Installation Made Simple:

  • Pre-terminated labeled wiring

  • Quick start guide included

  • Fully compatible with R32/R33 CAM angle sensors

Vehicle Applications

• Engine Compatibility: Nissan RB20DET, RB25DET, RB26DETT

• Ignition System: Suits Series 2 coils with integrated ignitors

• Transmission: Manual transmission only

Kit Contents

• Haltech Elite 2500 ECU

• Nissan RB Twin Cam Terminated Engine Harness (HT-130326)

• CAS Harness (HT-130327)

• Series 2 Coil Harness (HT-130330)

• Air Temp Sensor – M14 x 1.5 (HT-010200)

• Coolant Temp Sensor – M12 x 1.5 (HT-010300)

• Auxiliary I/O Connector Pack

• USB programming cable

• Quick Start Guide