; Used to plug Oxygen Sensor Bung; M-18 thread size; Trivalent chromium plated steel to match stainless headers
- Steel
- 17mm hex head
- Plugs O2 Sensor Bung
- M-18 x 1.5 Thread Size
- Plated steel matches stainless headers
- Accessories: PN: 22730 Mild Steel O2 Sensor Bung (PN: 22731 10 pack) & PN: 22732 Stainless Steel O2 Sensor Bung (PN: 22733 10 pack).