Secondary Wideband O2 Harness - Holley EFI J2A
Fully loomed and terminated plug-and-play harness for adding a second wideband sensor to your Holley Dominator equipped vehicle.
Need to wire more more sensors and I/O into your ecu? Check out our DIY kits here!
Features
- Plugs directly into J2A ecu connector
- Compatible with both the NTK (554-100) and Bosch LSU4 (554-101) oxygen sensors for Holley EFI
- Constructed with genuine components, high-quality TXL wire and shielded tefzel cable
