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

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

This kit from Bassani will allow you adapt your 18MM bungs down to the typical stock 12MM sizing in order to utilize your stock O2 sensors for majority of the newer model applications.

Features

• Threaded adapters reduce O2 oxygen sensor ports from 18mm to 12mm
• Permits the use of earlier model pipes on later models with smaller diameter sensors