New Yamaha 03-06 YZ450F Re-Mapped CDI Ignition Racing Module Instant +5 HP

New High Performance CDI that meets or exceeds all OEM Yamaha specifications at a fraction of the price.

This CDI Box/Rev. Kit increases 750 RPM over the stock limit (from stock CDI 11,300 RPM to 12,050 RPM), up to a 5 horse power gain!

In addition to raising the rev limit, the re-mapped built-in timing curve can add huge horsepower to your machine by simply plugging it in, no additional tuning or parts required!

Please ensure your model and year ATV is listed below for proper fitment.
This part will ONLY work on models and years listed below:

2003-2006 YZ450F (all versions)

ATV Plus is an authorized Procom Dealer

Unsure of the year of your ATV or motorcycle? It's easy to verify using the chart below.