2 Pairs O2 Exhaust Lambda Oxygen Sensor Boss Nut & Cap Bung Kit M18 x 1.5 UK
M18 x 1.5 Exhaust Lambda Boss Nut Weld on in 304 Stainless O2 Oxygen Sensor Bung. -Universal fit for STANDARD OXYGEN SENSORS with M18 X 1.5 Thread. 2x Oxygen Sensor Nut Bung Stepped. -Designed to adding a O2 sensor in any place you need.