Stainless Steel Oxygen Sensor Bung

These bungs are designed to allow you to weld in a oxygen sensor bung forconvenient fuel injection or air fuel ratio calibration. Price does not include installation/welding.  Sold Each. 18mm x 1.5

Note: This is a bung and plug only, no installation is done.

Stainless Steel Oxygen Sensor O2 Bung Fitted to Tailpipe (Each)

These bungs are designed to allow you to weld in aoxygen sensor bung for convenient fuel injection or air fuel ratiocalibration.

Universal M18x1.5 thread pitch. Fits most wideband & narrow bandO2 sensors. Requires welding.

Note: This part will be fitted to Hardin Marine tailpipes. These must be ordered with Hardin Marine tailpipes.