16in Slim Electric Fan. Overall Size: 18in H x 22in L x 3.5in W. CFM: 1150. Mishimoto has developed an Aluminum Fan Shroud kit that will considerably improve engine cooling functions and the overall performance of the vehicle. The Mishimoto Aluminum fan shroud kit will considerably improve engine cooling functions and the overall performance of your vehicle. All Mishimoto fan shrouds are significantly lighter than standard fan shrouds and are a direct OEM fit. A Mishimoto fan shroud will effectively drive heat out of the engine bay and deliver a significant amount of cool air to your radiator.