Moroso 22734 - Fitting, Plug, Steel, M18 X 1.5, Oxygen Sensor

Oxygen Sensor Bung, M-18 Thread Oxygen Sensor Bung with 17 mm hex head, steel • Used to plug Oxygen Sensor Bung • M-18 thread size • Trivalent chromium plated steel to match stainless headers Part # Accessories 22730 Oxygen Sensor Bung, Mild Steel, Single 22731 Oxygen Sensor Bung, Mild Steel, 10 per pack 22732 Oxygen Sensor Bung, Stainless Steel, Single 22733 Oxygen Sensor Bung, Stainless Steel, 10 per pack