GlowShifts Wideband Air/Fuel Ratio Oxygen Sensor Stepped Weld-In Bung is designed with a step that allows you to place this oxygen sensor weld bung in a 13/16 hole in the exhaust system, making the mockup and welding process even easier. Made from high-quality 304 stainless steel, each O2 sensor weld bung adapter is 1/2 tall with an 18mm x 1.5mm thread size which is standard with most O2 sensors. At GlowShift Gauges we also back any purchase with unrivaled Customer and Tech Support.
