1Pcs Stainless Steel Bung Plug Nut Weld Bungs O2 Sensor Adapter Auto Parts
Curved design ensures perfect welding on your exhaust system. Just drill a hole and weld it. Fit for most of O2 sensors in the market. Quantity: 1Pcs. 1x Oxygen Sensor Notch Nut. No worry about the specifications of the nut.