KOSO NORTH AMERICA Mini 3 Air/Fuel Ratio Meter ’14-’15 Honda Grom 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, Dimensions: 30.5 mm (1.2″) L x 60.5 mm (2.4″) W x 12.3 mm (.5″) D