KOSO Heavy Duty Clutch Kit with Springs for Honda Grom Monkey 125 (2014-2020)! This is a complete clutch upgrade package with 60% stiffer clutch springs!KOSO Heavy Duty Clutch Kit with...
Koso’s High-flow oil pump for 2014-2020 Honda GROM and 2018-2021 Honda Monkey 125® is strongly recommended for those who want to increase oil flow for engine protection, a great upgrade...
Koso's high performance ignition coils are designed using the most advanced materials on the market today. The stronger spark generated by the Koso ignition coil results in more horsepower, smoother...
As the throttle body and intake manifold are used to control the amount of air flowing to the engine's combustion chamber, they are important elements of the intake system. Using...
The main difference between the Koso Clutch Enhanced Lifter Plate and the stock one is it's strength. Koso's CNC Lifter Plate is stronger in order to provide better durability and...
