Derale 13" Flex Fan Heavy Duty Stainless Steel Standard Rotation Black Hub 17013 Cadillac Screw on billet cap

Screw on billet cap

and much more

Adaptor thread size: ¾”-16

Designed for puller applications

Note: 13mm drive shaft

Derale 13" Flex Fan Heavy Duty Stainless Steel Standard Rotation Black Hub 17013 Cadillac Screw on billet capThe Derale 13 Heavy Duty Flex Fan provides maximum airflow and cooling at low RPM when vehicle speeds provide little or no air through the radiator. As vehicle speed and engine RPM increase, it provides ample airflow and the fan blades flatten to minimise engine loading, increasing horsepower and fuel economy. Rated up to 10,000 RPM, this little 13 diameter heavy duty standard rotation fan features thick black steel hubs and 6 stainless reinforced