Replacement Holley EFI, Bosch Wide band Oxygen sensor.
This sensor is a direct replacement for Holley HP, Dominator, Avenger and Terminator EFI systems. Each Sensor is hand calibrated to insure accurate readings when used in conjunction with your Holley EFI system.
LSU4 Bosch Wideband
Part #: 554-101- Length: 2.75"
- Width: 5.25"
- Height: 5.125"
- Emissions Code: 3
- Prop 65: No