Our B&M Hi-Tek SuperCoolers feature a stacked plate design which is up to 30% more efficient than tube and fin designs and have 15% less flow restriction resulting in maximum cooling efficiency. The cooler features built-in attachment points, making mounting the cooler a breeze and the cooler is suitable for many fluids including transmission fluids, engine oil, and power steering fluid. This SuperCooler has a GVW rating of 19,000lbs and a BTU rating of 14,400. The hose barb fitting size for this cooler is 11/32-inch and can be mounted with fittings located up, down or sideways. The SuperCooler features durable brazed aluminum construction and is pressure tested to 200 PSI.