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 RPMs over the stock CDI Unit. The power-band curve is the same as stock .
The markings on the original CDI should be CF476 KL3
If your connector is the circular style, it should be the 83-84 Model.