Hayden Automotive 677 Rapid-Cool Plate and Fin Transmission Cooler Size is 3/4 inch x 11 inch x 7-1/2 inch Mid-size and full-size cars, pick-ups GVWR up to 20,000 pounds, towing up to 2,500 pounds Patented internal turbulation increases heat transfer with minimal pressure drop Pre-drilled mounting brackets for easy installation