KOSO NORTH AMERICA Mini 3 Air/Fuel Ratio Meter - For 4-Stroke Engines BA003211 Women's Yamaha Tuning fork V-Neck T-Shirt Pre-drilled to mount in stock

Pre-drilled to mount in stock easily

Mileage Maintenance (300 - 10

Internal Air Channel - Improved ventilation with an enhanced air extraction system

They are made with pride by American Craftsmen and women

Custom engineered to fit specific application and are designed to provide low restriction and increased performance

KOSO NORTH AMERICA Mini 3 Air/Fuel Ratio Meter - For 4-Stroke Engines BA003211 Women's Yamaha Tuning fork V-Neck T-Shirt Pre-drilled to mount in stockAllows 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