CRF100 '04 - '13 XR100 '92 - '03 CRF80 '04 - '13 XR80 '92 - '03 CRF70 '04 - '12 CRF50 '04 - '25 Eliminates the 9800 rpm rev-limiter of the OEM ignition and provides a hotter advance curve.Direct replacement for the OEM CDI ignition box EPA race use only Ships same business day $99.95