The Ticon titanium O2 sensor bung sized for 2.75in to 5in tubing with M18x1.5 threads and a coped end lets you add an oxygen sensor to that tube range. Machined for weld-in installation, the coped end is formed to fit tube contours for secure welding. Use it where fitting an O2 sensor into aftermarket exhaust or test sections is required.
Ticon Industries Titanium O2 Sensor Bung 2.75in to 5in Tubing (M18x1.5) - Coped End