1966-1967 Pontiac GTO Tempest LeMans Aluminum Performance Radiator. Night Rider Black Series for Automatic Transmission Cars w/AC Radiator Support. This is the taller 17.5 inch core for factory AC cars. Our Night Rider Black series radiators blend performance with original appearance to give you the best of both worlds. You will be hard pressed to find a difference between an original versus a Cold-Case. These Cold-Case radiators are Tig welded 100 percent aluminum and feature OEM appearing stamped tanks. Perfect for that restored car wanting the appearance of stock without sacrificing performance. 100 percent TIG welded All Aluminum Powder Coated Black OE style tanks 16 fins per inch Corrugated fins that give more surface area and more thermal transfer Pressure tested For Automatic transmissions Direct fitment for 66-67 GTO Works with factory fan shroud Radiator Specs: Core Height 17.25 inch Core Width 25.13 inch Overall Height 21.88 inch Overall Thickness 3 inch Upper Hose 1.5 inch Lower Hose 1.81 inch Tubes (2) 1 inch Tubes Trans Cooler Fitting: 5/16 inch Inverted Flare