Wiring Specialties RB25 Series 2 Smart Coil Conversion Harness for RB25 Series 1 - WS PRO series only

Upgrading your ignition system to R34 RB25 Series 2 Smart coils for better performance? Want to eliminate the Ignition Chip? This is the answer - the Wiring Specialties CUSTOM RB25DET ignition harness for RB25 Series 1 engines running Series 2 Smart Coils. Allows for R34/R33 Series 2 Smart-Coil use in the OEM coil location for RB25 Series 1 engines Allows for R34/R33 Series 2 Smart-Coil use in the OEM coil location for RB25 Series 1 engines Plug and Play Harness eliminates the ignition ch COMPATIBILITY: For Wiring Specialties PRO Series RB25DET S1 harnesses ONLY.