For Mazda Miata Aluminum Bolt-on Cooling Radiator Fan Shroud (Black) - MX-5 2nd Gen NB High Quality Light Weight Full Aluminum Construction Shroud; Heat Persistent Synthetic Material Fan(s) Durable and Powerful Motor for Long Service Life and Enhanced Performance Facilitates Highly Efficient Dispersal of Heated Air that is Released from the Coolant 10 Blades Fan(s) Supports Radiator's Cooling Efficiency Electric Slim Fan, CFM ratio: 1250 / RPM: 2200 / Working Condition: 12V / 80W / Thickness: 3.25" - Including The Size of The Fan(s) / Height: 12.5" / Width: 25.75" / Fan(s) Size: 12.5"