Description
Engine cooling directly impacts performance and longevity—especially under sustained track conditions or street driving in hot climates. The Derale HO Extreme delivers consistent airflow with its 625 CFM rating, keeping coolant temperatures in the optimal zone without the mechanical drag of a belt-driven fan. This curved-blade puller design pulls air through the radiator core efficiently, making it ideal for custom engine bays, retrofits, or high-output builds where OEM cooling falls short.
- Electric cooling fan
- 9-inch diameter
- Puller configuration
- 625 CFM airflow
- Curved blade design
- 9-11/16 x 9-11/16 inches
- 2 inches thick
- Plastic construction
- Bolt-on installation
- Sold individually






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