Rev Box - Honda CRF 150F (2005)

If you are looking to swap out your stock Honda CRF 150F CDI box, the Big Gun Over 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.

• Increases overall rev limit to 10,000 RPM
• Advanced timing curve
• Easy direct plug in replacement to stock CDI box
• 6 Month Limited Warranty