Keep your 1963 - 66 GM CK Truck cool with the Mishimoto Performance Fan Shroud Kit This unique electric fan shroud setup completely eliminates the stock, failure - prone mechanical fan. The fan shroud mounts exclusively to the Mishimoto's ChevroletGM CK Performance Radiator and includes a 16in high - flow electric fan that produces over 1850 cfm of airflow. Optionally, this kit can include a Mishimoto Adjustable Fan Controller Kit, which will provide the user with total control over coolant temperatures. As with all our products, this fan shroud kit includes the Mishimoto Lifetime Warranty you know and trust.