1968-1977 GM A-Body 29 Inch Core Aluminum Performance Radiator. Night Rider Black Series. Manual Transmission Cars. For Olds 442 (28 Inch), see GMA43AB. 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 (2) 1.25 inch Rows 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 Manual Transmission Direct fitment for 68-77 GM A Body Works with original fan shroud Radiator Specs: Core Width 28.7 inch Core Height 18.5 inch Overall Width 34.75 inch Overall Height 18.75 inch Overall Thickness 3 inch Upper Hose 1.5 inch Lower Hose 1.5 inch Tubes (2) 1.25 Inch Tubes