Your stock fan robs your engine of up to 15 or more horsepower! Replace it with a rugged, universal-fit fan equipped with an adjustable 160-240 degree F thermostat. Bolts to your radiator supports using sturdy brackets. With a heavy-duty motor, highly angled blades, and a 15 diameter, this unit pulls up to 2,800 cfm of air. Overall: 18 x 16-1/8 x 4.25. Amp draw, 14 amps. Product Features:High Performance Universal Model15-in. Diameter2800 CFM RatingBuilt-in Adjustable 160-240F ThermostatMeasures 16.5in. Wide X 18.5in. High X 4.25in. Thick