RL-53H Heli Engine

REDLINE is a new engine product line of Thunder Tiger. High performance, extreme power will be the main features of this series engine. RL-53H helicopter engine is the first engine in this series. With the biggest displacement and awesome power, RL-53H is the best choice nitro power plant for your .50 size heli model. Just remove your current .50 size engine from the heli. Install TT new RL-53H, you will get the extreme power you never experience before!!
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