1984-1990 Chevy Corvette C4 Aluminum Performance Radiator with Dual 12 inch Fan and Shroud Kit. AT/MT Cars. These COLD-CASE radiators are Tig-welded 100 percent aluminum and absolutely beautiful. They feature original-appearing stamped tanks, oversized core tubes, and advanced fin design, adding up to a stock-appearing true-performance radiator. You would be hard-pressed to spot the difference between an OEM replacement and a COLD-CASE, and you would never match the performance. 100 percent TIG welded All Aluminum Polished OE style tanks 16 fins per inch Corrugated fins that give more surface area and more thermal transfer Pressure tested For auto/maual trans Direct fitment for 84-90 Corvette Radiator Specs Core Height 15 inch Core Width 23.75 inch Overall Height 16.5 inch Overall Width 29 inch Overall Thickness 6.75 inch Tubes (2) 1.25 inch Tubes Upper Hose 1.20 inch Lower Hose 1.35 inch Trans Cooler Fitting: 5/16 inch Inverted Flare Dual 12' Fan and Shroud Kit