02 Sensor Nut Bungs Spacer 02 Weld boss one pc. ( 18 m) 1.5(lead)
One piece 18 mm X 1.5 thread pitch, Wid e band O2 sensor bung.625 total length. X 1.5 thread pitch. Will fit most standard as well as most Wide band O2 sensors. Made from ISO 9000 approved 1018 carbon steel.