Hayden Automotive 687 Rapid-Cool Plate and Fin Transmission Cooler Size is 3/4 inch x 7-1/2 inch x 11 inch medium duty Mid-size and full-size cars, pick-ups GVWR up to 20,000 pounds, towing up to 2,500 pounds Equipped with 6 male flare fittings allowing cooler to be hard plumed into system Pre-drilled mounting brackets for easy installation