Big Gun ExhaustRev Box

Part Number:40-R27A

• 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.

Items Included

Fitments

2007 Honda XR650R
2006 Honda XR650R
2005 Honda XR650R
2004 Honda XR650R
2003 Honda XR650R
2002 Honda XR650R
2001 Honda XR650R
2000 Honda XR650R