Provide your radiator with the maximum amount of airflow with our new 11" Race Line fan. Our Race Line fans were designed for heavy-duty applications where a Slim Line fan just won't cut it. However, this robust fan is still thin enough to fit between your engine and radiator in most applications and provides 1700 CFM of airflow to cool the largest and most powerful of engines! For universal installation, use the Mishimoto Electric Fan Mounting Kit.CFM: 1700 Fan RPM: 2900 Fan Diameter: 11"Number of Blades: 5 Blade Style: Straight Type of Ends: LooseCompact design with a housing diameter of 12" and an overall thickness of 3.70"Fan does not run in reverseMishimoto Lifetime Warranty