Big Gun 2004 Honda CRF 250R Rev Box

If you are looking to swap out the stock 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.

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

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