A fast rotational speed fan is definitely a crucial item for your touring car in hot summer time. New from 3Racing is version 2 Motor Heat Sink with Fan which reaches 14000 rolls per minute and can be used for few hours successively. The volume is 30 X 30 X 10mm mini design and it just weigh 23 grams that is extraordinary light. This new part is applicable for any 540 motors and there are 7 color available, choose one for your car right now