Varity Corp. announces the appointment of Keiichiro Shiojias as chairman of its Tokyo-based subsidiary Varity (Japan) KK. Mr. Shiojias retired in 1993 as general manager of Fuji Zerox Co. Ltd.

Other major promotions include:

* Rosemary Younts is vice president of GenCorp. She also is vice president of communications.

* Alan Best becomes vice president-North American truck components operations at Eaton Corp., replacing Henry Holland, who retired.

* Craig Shilling moves to vice president of manufacturing at Flxible Corp.