CDI BOX Cobalt Shell Monosuit (2025) 86cc = 50mm Piston Bore

86cc = 50mm Piston Bore x 44mm Stroke

Replaces OEM Airbox plug to allow better airflow enhancing performance of the KX450 airbox

Legal Kits available for EVO Big Twin applications

2007 KTM 250 SX-F

CDI BOX Cobalt Shell Monosuit (2025) 86cc = 50mm Piston BoreAll item pictures are accurate, if in doubt do not hesitate and compare our item to your original part. As we have great expertise with these ATVs, we strongly recommend that you replace your voltage regulator at the same time as changing your electronic box. Indeed, this is one of the main reasons for the malfunction of the electronic box. In addition, to ensure the performance of the part, we test it up to three times in the factory. Our PeakRPM CDI