This harness kit is used when swapping the older style K-series engines K20a2/z1 K24a1/a2/a4 (not US k24z) into a 09-13 Honda Fit
**The tach, Speedo, DLC (OBD port) all work but some stock features like AC and Cruise Control may not.**
This kit requires completely repinning the ECU A connector so make sure that is something you are comfortable with. Along with this harness kit you will also need an
- 06-11 8th gen Si OEM O2 sensor
- 06-11 8th gen Si ECU
- 06-11 8th gen Si engine harness and charge harness
You will need to check and verify emissions rules and laws in your state for compatibility. These kits are intended for off-road use only.