Air/Fuel Meters

FAST Air/Fuel Ratio Meter 170401 A must have for your tuning tool box! Accurately measure you air to fuel ratio to prevent premature engine failure. Features: Built-in Data Logging with On-Screen Play Back Full Graphic, Easy to Use Display Single Sensor

FAST Air/Fuel Ratio Meter 170402 A must have for your tuning tool box! Accurately measure your air to fuel ratio to prevent premature engine failure. Features: Built-in Data Logging with On-Screen Play Back Full Graphic, Easy to Use Display Dual Sensors...