RC Helicopter Tail Motor Cooler Heat Sink Upgrade Modification Wltoys V977 F47

V977 Wltoys - MJX F47. Suitable for Wltoys and MJX model helisopters W977, F47 etc. Fits strait onto RC helicopter tail motor (screw included). Great upgrade/Modification for your RC helicopter. Easy Fit 7mm Size Tail Motor Heat Sink.

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