Koso AFR gauge wideband
$ 402.99
This nice backlighted Wideband Air/Fuel Ratio meter will give you precious informations on your engine. It will allow you to tune more precisely your engine. Its warning could even save your engine from bad damage! Its programmable warning will tell if your engine run too lean or too rich. Work on 2 and 4 stroke engine. Requires 12V DC power.