ECUMaster - WHP Bosch 4.9 Wideband Oxygen Sensor Kit Valve Springs -Can be used to add

-Can be used to add more length to existing system

Perfect for diesels or any high boost applications

Seat Pressure: 77 @ 33

The difference between a brass pressure sensor and a stainless steel pressure sensor is similar if we think about it in these terms:

ECUMaster - WHP Bosch 4.9 Wideband Oxygen Sensor Kit Valve Springs -Can be used to addECUMaster WHP Bosch 4. 9 Wideband Oxygen Sensor Kit WHP Wideband Oxygen Sensor Kits allow you to use the on board wideband oxygen sensor controller in the ECUMaster EMU. Accurate information is vital to engine performance and tuning, and the Bosch LSU 4. 2 wideband oxygen sensor is a reliable and accurate sensor. Note: The EMU Black can control either a 4. 2 or 4. 9 sensor. The EMU Classic can only control a 4. 2 sensor. What's in the box: Bosch LSU