18mm to 12mm Bushing Adapter For O2 Sensor Port- Harley Davidson

18mm to 12mm Bushing Adapter For O2 Sensor Port- Harley Davidson Bagger/ Dyna/ V-Rod (12 and newer)

Motorcycle O2 Oxygen Sensor Ports Plug Adapters 18mm-12mm Exhaust Pipes Bungs For Harley Touring Electra Glide Dyna Softail XL - AliExpress

Bassani 02 Port Bushing Adapters – Lowbrow Customs

2013 Harley-Davidson Catalog: Exhausts - Free Catalog Request

60 Degree O2 Oxygen Sensor Port Bungs ⋆ Fuel Row

Harley 12Mm To 18Mm O2 Sensor Adapter FOR SALE! - PicClick

Harley-Davidson Oxygen Sensors & Accessories - Dennis Kirk

Bassani O2 Port Bushing Adapter - 102P2 Harley-Davidson Motorcycle - Dennis Kirk

Adapters Reduce 02 O2 Sensor Ports Bungs 18MM - 12MM Harley Plug stainless steel

Dstar Adapters Reducers O2 Sensor Bungs - 18mm To 12mm for Harley Stai – dstarcustoms

Vance and Hines. Bung Hole Reducer from 18mm to 12mm. Oxygen Sensor Conversion Plug. Allows you to use for 12 mm Sensor in 18 mm Hole. O2 Sensor Bung

2 Vance & Hines Reducer 12MM Oxygen Sensor to 18MM Hole Harley Davidson Exhaust

Feuling Parts 18mm to 12mm Oxygen Sensor Bung Adapters - 9927 - Dennis Kirk

Motorcycle & Harley Exhaust - Get Lowered Cycles

Motorcycle O2 Oxygen Sensor Ports Plug Adapters 18mm-12mm Exhaust Pipes Bungs For Harley Touring Electra Glide Dyna Softail XL - AliExpress