This harness works with all USDM / JDM 02-04 wiring harnesses including, K20A, K20A2, K20A3. This harness is wired to use the factory wideband O2 sensor so European customers using the UKDM K20A/K20A2 wiring harness will need to convert the harness to use the narrowband type sensor. This harness does NOT work with any 05-06 OR K24 engine wiring harnesses.
What makes Hybrid Racing's Harness one of the best on the market?
With over ten years of K-Series swap wiring experience, the Hybrid Racing Conversion Harness is the most widely used and reliable conversion harness on the market. Over the years, HR has sold and installed thousands of these into all types of cars all over the world! This harness interfaces with the factory dash harness, your OEM K-Series engine harness and your K-Series ECU to greatly simplify the swap wiring.
What's new about the Version 4 Hybrid Racing Harness?
The new Hybrid Racing Conversion harness incorporates updated wiring to make for an even easier install, updated install guide that includes more pictures and less text and the integration of the primary oxygen sensor connector. Every harness is machine made and human checked so they are issue free.
*Note: Universal harness can be used to swap a k series engine into any non-Honda chassis or any Honda chassis that does not have a plug and play harness. Wiring skill is required.
*88-91 Civic Conversion Harnesses WILL require a core to be supplied. Upon ordering, you will be contacted on how you can mail us or Hybrid Racing your core.