Wide Band Oxygen Sensor (WBO2) Extension Harness for Holley EFI

This extension harness is a plug and play solution that extends the Wide Band Oxygen (WBO2) Sensor connection within Holley EFI engine wire harnesses. For use only with the following Holley ECUs: HOLLEY HP ECU HOLLEY DOMINATOR ECU AUTOMOTIVE WIRING PRODUCTS Extension Harnesses meet or exceed the quality of Original Equipment (OE) harnesses: Assembled with the same materials found on production engine harnesses. Terminals are crimped with production applicators and/or Rennsteig hand tools to exceed pull test requirements. Wires are protected with high temperature fiberglass sleeving. Assembled in the USA