PROCOM Rev Max Honda TRX450R 06-10 This Programmable PROCOM Performance CDI for the Honda TRX450R (06-10) allows the owner to adjust both timing and rev limit. It is ready to be installed and used right out of the box. All of the preloaded settings on the box provide a 500 RPM increase in rev limit over stock, and comes with 9 different preloaded timing curves that you can select by turning a switch dial on the unit.