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 medium to full-size cars and intermediate SUVs that see light to medium duty use and some 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.