Big Gun ExhaustRev Box

Part Number:40-R19A

• 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 off-road MX and ATV models.

Items Included

Fitments

2012 Yamaha YFM250 Raptor
2011 Yamaha YFM250 Raptor
2010 Yamaha YFM250 Raptor
2009 Yamaha YFM250 Raptor
2008 Yamaha YFM250 Raptor
2008 Yamaha YFM250 Raptor SE
2008 Yamaha YFM250 Raptor SE Custom
2012 Yamaha YFM250R Raptor
2011 Yamaha YFM250R Raptor
2010 Yamaha YFM250R Raptor
2009 Yamaha YFM250R Raptor
2008 Yamaha YFM250R Raptor