Big Gun 40-R32 – 09-12 Yamaha Raptor 90 Rev Box

Description

Big Gun 40-R32 – 09-12 Yamaha Raptor 90 Rev Box

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.