Brand new advanced ignition unit for your Honda CRF450R. This an improved version for this unit. This performance CDI increases the rev limit by 1000 RPM over the factory unit. It also offers a re-mapped timing curve in order to offer an increase to horsepower and torque over the factory unit. This is direct plug-and-play replacement for easy installation.
The original ignition unit may have been stamped with one of these numbers: 30410-MEN-003, 071000-3040, MENH-ED
**On the checkout notes make sure to include the number that is stamped on the factory unit. <----------