Product details:

The most powerful single electric fan available. Covers 45% more radiator surface area than the regular Black Magic S-blade. Shrouded fan creates 45-50% higher heat transfer than cage fans. Powerful 15. Fan shroud measures 21.5 x 17.5 by 4.1875 deep. Boosts power and MPGs by eliminating the belt-driven drag of factory fans. Delivers consistent cooling, regardless of engine RPM. Removing manual fan assembly lowers A/C temps and extends water pump life. Computer-engineered S-Blades run quietly & efficiently. Draws air through the rugged one-piece injection-molded nylon fan shroud. Easily installs into almost any full-size engine bay. Reversible motor for use as a pusher or puller fan. Rigid bracket mounting system means no thru-core mounting needed. Choose 12V or 24V, fan only or with adjustable thermostat controller to adjust on/off temps. Adjuster models let you set the fan activation between 180°-240°. Includes fan, shroud, installation instructions and wiring diagram. Each universal fan includes a wiring pigtail (not a full wiring harness). Fan style: Reversible. Air Flow: 3300 cfm. 17.5 in. x 21.5 in. x 4.1875 in. Number of Blades: 8. Blade Diameter: 15 in. Amperage Draw: 7-11 amps. Fuse Rating: 30 amps. Mounting Style: Bracket Mount. Installation instructions (PDF). 24V Extreme cases demand extreme measures. To battle extreme under-hood temperatures, the smart hot-rodder turns to the most powerful single electric fan available—the Flex-a-lite Black Magic X-treme S-blade Universal Electric Cooling Fan. Covering 45% more radiator surface area than the regular Black Magic S-blade fan, this powerful 15 fan magically moves 3. 300 cfm of airflow.Eliminating the belt-driven drag of the factory fan, Flex-a-lite Black Magic X-treme Fans free your engine to produce more horsepower, torque and MPGs. Plus, your engine benefits from an extended lifespan and quieter operation by running cooler. On top of the power and mileage benefits, your Flex-a-lite X-treme s-blade fan drops A/C temps and extends water pump life.Your X-treme fan draws air through a rugged one-piece injection-molded nylon fan shroud. And, the universal design fits into nearly any full-size engine bay. Plus, you can choose 12V or 24V models, and with or without an adjustable thermostat controller. Save an extra 15% with code AA15.