Big Gun ALL Honda XR/CRF 50/70/80/100 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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