Flex Fans provide maximum airflow at low RPMs when the vehicle speed provides little or no airflow through the radiator. Choose from our selection of heavy duty, high performance, or plastic fans to provide ample airflow at a reasonable price. Flex Fans keep your vehicle properly cooled by maximizing airflow at low RPMs. They are available with steel, aluminum, and plastic construction and in multiple size options. For better efficiency, most of these performance fans move in standard and reverse direction, and select fans flatten their blades to minimize engine loading at high RPMs. Race vehicles have a more extreme environment, so it's important to use quality components. Derale prides itself on being an industry leader and having efficient, compact, and lightweight accessories that will maximize your vehicle's performance.
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