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)

Harley-Davidson et Moto Custom Accessoires Echappement by Pieces Chrome et Accessoires Custom des USA - Issuu

Adapter - Oxygen Sensor 12mm to 18mm - Stainless Steel

Bassani 18mm O2 Sensor Plugs

Bassani 18mm To 12mm O2 Sensor Bung Adapter For Harley Exhaust - RevZilla

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

Harley-Davidson Oxygen Sensors & Accessories - Dennis Kirk

Thundermax Wideband 02 Oxygen sensor ⋆ Twisted Choppers

OXYGEN SENSOR EXHAUST 18 MM O2 OEM FOR HARLEY DAVIDSON XL SPORTSTER 07-13

Bassani Xhaust Pro-Street Turn Outs on a Harley Softail Breakout

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

Bassani 18mm To 12mm O2 Sensor Bung Adapter For Harley Exhaust - RevZilla

45 DEGREE O2 SENSOR PORT BUNGS FOR CUSTOM EXHAUST BUILDING WHEN YOU NEED THE USE OF AN EFI SYSTEM. MACHINED FROM 1018 CR STEEL FOR GREAT WELDABILITY.

45 Degree O2 Sensor Port Bungs