Replacement CDI Unit for the 1985 Honda XR350. The original cdi units look like the included photo ( replaces the dual an single connection style). This unit increases RPM limiter by an additional 1000 PRMs over the stock CDI Unit. The powerband curve is the same as stock .
The markings on the orginal cdi should be
If your connector is the circular style, It should be the 83-84 Model.