NCY Gear Set (15*37); GY6 150cc mm If your valve stems measure
Yard notes & kiln story
Description
NCY Gear Set (15*37); GY6 150cc mm If your valve stems measure If your valve stems measure 69mm with a taller cylinder head Confirmed OEM & Model Fitments and QMI models Don't see your engine listed Get more speed and a more usable rev range out of your GY6 big bore kit with this 15*37 upgear set from NCY