Big Gun Exhaust Rev Box CDI Unit for 2004 Honda CRF250R - 40-R23 1975 Yamaha TY80 2008 Can-Am Outlander 800 HO

2008 Can-Am Outlander 800 HO EFI 4x4 XT

2009-17 Polaris WideTrak IQ

1999 Harley-Davidson Road King - FLHR

1973 Harley-Davidson FLH80

Big Gun Exhaust Rev Box CDI Unit for 2004 Honda CRF250R - 40-R23 1975 Yamaha TY80 2008 Can-Am Outlander 800 HOBig Gun Exhaust Rev Box CDI Unit Increases overall RPM limit Advanced timing curve Easy direct plug in replacement to stock CDI box 6 month Limited Warranty If you are looking to swap out your stock CDI box, the Big Gun Rev Box is an affordable alternative to highly priced OEM replacement boxes. It increases the overall RPM limit over the stock box and advances the timing curve. The Big Gun Rev Box is offered for various offroad MX and ATV models.