KOSO NORTH AMERICA Mini 3 Air/Fuel Ratio Meter - '14-'15 Honda Grom O2 SENSOR NOT INLCUDED BA003214
- Allows you to monitor and adjust air/fuel mixture for more power and peak performance
- Specially designed to help tune carbureted or fuel-injected 4-stroke engines
- Easy installation to 12V systems by connecting the sensor to the exhaust system