Raceworks Weld On M18x1.5 Oxygen Sensor Bung. Used to add an oxygen sensor bund to an exhaust system. Suits most O2 sensors from Bosch/NTK with a metric M18x1.5 thread.
Raceworks offer a range of weld-on fittings and components to allow fabrication of bespoke fluid systems to suit most vehicles and applications. Often available in a variety of materials including Aluminium, Steel and Stainless Steel.
All Raceworks products come with a 2 year warranty.