A step up from Tube and Fin type coolers, this Plate and Fin cooler features strong furnace-brazed construction, 1 1/4 inch wide plates and turbulators which maximize heat transfer while also minimizing pressure drop. This unit is perfect for light to medium duty use and occasional towing. It greatly extends transmission life by preventing heat-related transmission failures, and improve shifting performance. Built with 1/2 inch NPT female cooler ports and includes 1/2 inch NPT x 3/8 inch hose barb adapters. This kit comes with a complete transmission cooler hardware kit to easily install onto vehicles with 5/16 inch transmission cooler lines.