
Designed specifically for Nissan RB20, RB25, and RB26 Twin Cam engines using the Series 1 ignition system with external OEM ignitor modules, this complete engine management solution includes the Haltech Elite 2500 ECU and a terminated engine harness with breakout sub-harnesses for CAM angle sensor and ignition coils. This plug-and-play package is ideal for streamlined setup and advanced tuning flexibility.
Note: Compatible with Series 1 coils only. Utilizes factory-style CAS and ignition module configuration.
Engine Compatibility:
Suits Nissan RB20DET, RB25DET, and RB26DETT (Twin Cam engines with Series 1 coils)
Configured for factory external ignition modules and early-style CAS
Plug-and-Play Harness:
Terminated engine harness with Series 1 coil sub-harness
Includes CAS breakout harness (R32/R33 type)
Elite ECU Performance:
Supports DBW, closed-loop O2, flex fuel, knock control, and advanced race tuning
Haltech Elite 2500 ECU with Drive-by-Wire and Race Functions
Terminated Engine Harness (HT-130326)
CAS Harness – R32/R33 CAM Angle Sensor Breakout (HT-130327)
Series 1 Coil Harness (HT-130331)
Air Temp Sensor – M14 x 1.5 Thread (HT-010200)
Coolant Temp Sensor – M12 x 1.5 Thread (HT-010300)
Auxiliary I/O Connector Pack
USB Programming Cable
Quick Start Guide
Full ECU Manual and Software Suite (CD/USB)
Nissan RB20DET / RB25DET / RB26DETT (Twin Cam)
Series 1 Ignition Type with External OEM Ignitor Module
Support for 1–12 cylinders and 2–4 rotors
Closed-loop idle and O2 control
Variable camshaft control (up to 4 cams)
Long-term learning and 4D tuning with per-cylinder correction
On-board and laptop data logging (up to 200Hz)
Dual CAN Bus for dashes, OBDII, and sensor expansion
Launch control, traction control, anti-lag, nitrous and boost control
Advanced torque management and sequential turbo control options
Multiple programmable timers and engine protection strategies