O2 Sensor Harness Extension - 18 mm to 12 mm
Allows the use of exhaust systems with 18 mm O2 sensor bungs to be used with late model bikes with 12 mm O2 sensors
Reduces the 18 mm O2 bungs to 12 mm O2 bungs found on select '10-'15 models
Wiring harness comes pre-assembled with connector pins
Made in the U.S.A.