This hely comes with JR NES 8300 servos and JR 5000 gyro. The engine is the classic OS 61 SX Engine with Hattori muffler
Here are the links about other Caliber 60 machine. Ine is still new in box.
http://japan-hobby.blogspot.it/2016/02/kyosho-caliber-60.html
http://japan-hobby.blogspot.it/2015/01/kyosho-caliber-60.html