Description Reviews Vibrant Saddle Style Oxygen Sensor Weld Bung T304 304 Stainless Steel (M18 x 1.5 thread) Vibrant Performance saddle style weld on oxygen sensor bung is made of 304 Stainless Steel for the utmost in optimum corrosion resistance. Vibrant Performance saddle style weld on oxygen sensor bungs feature a radius design which allows for a cleaner weld to tubing. This is a great part for any FAB work your doing when dealing wit O2 Sensors or a Wide band on your car. Features and Benefits: One Year Limited Warranty 304 Stainless Steel Radius Design Allows For Cleaner Weld To Tubing