Bassani Adapter Reduce 02 O2 Sensor Port Bungs 18MM To 12MM Fit For Harley Plug

2Pcs Bassani Adapters Reduce Sensor Ports Bungs 18MM To 12MM Fit For Harley Plug

2PCS Stainless Adapters Reduce Sensor Ports Bungs 18MM To 12MM For Harley Plug

Steel Adapters Reduce 02 O2 Sensor Ports Bungs 18MM To 12MM Fits for Harley Plug

Chrome Stainless Adapters Reduce Sensor Ports Bungs 18MM To 12MM For Harley Plug

2PCS Stainless Exhaust Pipe Screw Adapters Reduce Sensor Ports For Harley Plug

Bassani Manufacturing O2 Sensor Plugs - 18mm 1802P

Fit For Harley Davidson Exhaust Reducer Oxygen Sensor Ports 12MM-18MM Hole -2PCS