Your stock fan robs your engine of up to 15 or more horsepower! Replace it with a rugged, quieter than straight-blade, universal-fit S-blade fan equipped with an adjustable 180°-240°F. thermostat. Bolts to your radiator supports using sturdy brackets. With a heavy-duty motor, and 15" diameter, this unit pulls up to 2,800 cfm of air, cooling vehicles with up to 250+ HP (without air) and 220+ HP (with air). Overall: 18" x 16-1/8" x 4". Amp draw, 14 amps.