of high-quality weld on bungs and plugs to suit any M12 x 1.25mm oxygen sensors. The oxygen sensor bung is a must have accessory for installing your wide-band oxygen sensor to your exhaust pipe. Especially If you are making custom headers or just require a O2 Sensor in your system for data logging, engine management or test equipment. This range of bungs and plugs are available in two different materials CS1030 Steel and 304 Stainless Steel to suit any application.
Aeroflow Performance features a range of different styles