New O2 Stainless Exhaust Lambda Oxygen Sensor Boss Nut Decat Bung Bolt M18 x 1.5
M18 x 1.5mm Thread Nut + Cap Bung Kits. Size: standard M18 X 1.5 thread (both bung and plug). O2 Exhaust Lambda Oxygen Sensor Boss Nut. 1 x O2 Oxygen Sensor Bung. 1 x O2 Oxygen Sensor Plug. Designed to adding a O2 sensor in any place you need.