The only differences between the two are in the thread size and the spacing between the bearings

Traxxas 3551 Exhaust tube (silicone)

Oveni har anlægget indbygget failsafe således at din model ikke blot fortsætter såfremt du skulle miste signalet eller batterierne skulle løbe tør

Linkage set

MAX-55HZ-R 8.93cc 2-Stroke Heli Engine traxxas stik The only differences between theO. S. MAX 55HZ R 8. 93cc Helicopter Engine The MAX 55HZ R has been developed based on the 55HZ designed expressly for 50 size helicopter models, and equipped with the new O. S. fuel regulator system. The regulator system ensures an always steady fuel supply which is required for 3D flights which require repeated vigorous attitude changes as well as mixture control. With this system, the fuel tank is pressurized by pressure generated in the crankcase.