It was the only mass-produced Japanese fighter of the war to use a liquid-cooled inline V engine. Initial prototypes saw action over Yokohama during the Doolittle Raid on 18 April 1942, and continued to fly combat missions throughout the war. Over 3,000 Ki-61s were produced.
It is brand new in box, and it includes factory supplied retracts. 55.3 Wingspan, 41.3 Length, approx. 5.8 lb., 40 to 55 two stroke engine, or suitable electric motor. Split flaps included.