Seller notes

Fits: Honda XR 650R (00-07) 1000 RPM If you are looking to swap out your 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. · Increases overall RPM limit · Advanced timing curve · Easy direct plug in replacement to stock CDI box...

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