RB20/25/26 Engine Harness | Street-Spec

Upgrade your RB’s wiring the right way. Our Street-Spec RB Engine Harness delivers motorsport reliability, simplified routing, and a professional, clean look — built with aerospace-grade Tefzel wire, fiberglass heat-resistant looming, and Raychem-sealed transitions for long-lasting performance. Built to perform. Designed to last. Street-Spec is the perfect balance between quality, performance, and value.

Once your harness is purchased, we will contact the email provided during checkout with a form to fill out that covers your engine setup. Some additions/modifications (example: DBW) may incur additional cost.

Includes:

• 6x Coil connectors

• Igniter connectors (if applicable)

• 6x Injector connectors

• Cam only or Cam/Crank Trigger connector(s)

• Wideband connector (ECU Dependent)

• 2x Knock Sensor connectors

• Starter connector

• Alternator connector

• Idle Air Solenoid connector

• VCT Solenoid connector (if applicable)

• Coolant temp sensor connector

• IAT sensor connector

• TPS sensor connector

• MAP sensor connector

• Boost solenoid connector

• Chassis specific connectors

• More sensors/etc. available upon request

Supported Engines:

• RB20DET

• RB25DET

• RB26DETT