In order to create an engine product that is 100% for racing specific Mr. Miura from the Speed Master Japan has heavily involved making the product which carries his arts. Mr. Miura is the master of engineer who has joined the world championship to support the O.S.SPEED team for years. The one who knows about the competitive race machine have done the break-in process to the engine; therefore there is no need to take many hours to run the car.

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