Allstar Performance Aluminum Shroud for 16-Inch Electric Fan; 20-3/4 x 18-3/4-Inch (Universal; Some Adaptation May Be Required)

Aluminum shrouds are designed to work with electric fans mounted as a puller mounted behind the radiator. Special air release flaps allow additional airflow to pass through the core and shroud as vehicle is moving and close allowing fan to draw air through the core of the radiator at rest. Dimensions are overall including a 1/2″ top and bottom mounting flange.