Increases overall RPM limit Advanced timing curve Easy direct plug in replacement to stock CDI box 6 Month Limited Warranty Expertly crafted from premium materials Quality design and workmanship Durable construction for long service
Rev Box by Big Gun®. 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.
