Derale Frame Rail Transmission Fluid Cooler 24-3/4 x 2-3/4 # DER-13225Fluid Cooler, Transmission, Tube and Fin, Two Rows, 1. 50 in. Square x 20. 75 in. Long Core, 6 AN Inlet Outlet, Aluminum, Copper, Black, Each Fluid Cooler Type: Universal Overall Height (in.): 1. 75 in. Overall Width (in.): 24. 38 in. Overall Thickness (in.): 2. 38 in. Cooler Construction: Tube and fin Fluid Cooler Inlet Size: 6 AN Fluid Cooler Outlet Size: 6 AN Inlet Attachment: Male threads Outlet Attachment: Male threads Cooler Material: Copper