Koso Narrow-Band 4-Stroke Air/Fuel Ratio Meter

This nice backlighted air/fuel ratio gauge gives precious informations on 4 strokes engines. Made to tune precisely and get more power out of the engine, this unit might save your engine from bad damage. This Air/Fuel Ratio Gauge is essential for all 4 strokes engine tuners!

Features:

• Narrow-Band
• Displays air/fuel ratio
• Comes complete as a kit with mounting hardware and sensor