At one time or another we all have had a car overheat. The Ultimate Cooling Machine fan/shroud combos are just the ticket to avoid having it happen again. These 2500 CFM pull-type fans measure 2-5/8" deep at the motor, 2-3/8" at the mounting brackets and 1-1/2" at the high impact shroud. 12 volt. 18-1/2" wide x 22-1/4" high. Can be easily reduced in size to 17-1/2" wide x 21-1/8" high. 12 volt operation. Lower engine operating temperatures. Saves horsepower. Better fuel mileage. Constructed of high-impact ABS material. Requires the use of a 70 amp or larger fan relay. Relay and fan control sold separately. Learn more about the importance of using a fan shroud in our tech article, Fan Shrouds - A Critical Cooling System Component. IMPORTANT: All warranties and returns must be directed to Cooling Components, LLC as noted in the manufacturer's return policy found here: Due to the manufacturer's policy, fans MAY NOT be returned to Speedway Motors and MUST be returned to Cooling Components, LLC in order to receive full credit.