The Wiring Specialties S13/S14 SR20DET Ignition Chip bypass adapter.

Allows for use of SMART coils like LSx coils, K20 coils, VQ, RB25 S2 etc.

Any smart coil on the market has a built-in ignition chip, which requires the stock SR20 chip to be bypassed.

This is the harness to do it with. 

Engine

• Any SR20DET from 1990-1998 180sx or Silvia