1966-1967 Chevrolet Chevelle/El Camino Aluminum Performance Radiator. MT Transmission Night Rider Black Series. This is the most popular configuration with an offset filler and upper inlet on the far driver side. 25 inch wide core with AC applications but will fit all V8. 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 (2) 1.25 Inch Tubes 16 fins per inch Corrugated fins that give more surface area and more thermal transfer Pressure tested For manual/standard trans Direct fitment for 66-67 Chevelle/El Camino Works with original fan shroud Radiator Specs: Core Height 15.4 Inch Core Width 24.7 Inch Overall Height 20.5 Inch Overall Width 27.75 brackets Inch Overall Thickness 3 Inch Tubes (2) 1.25 Inch Tubes Upper Hose 1.57 Inch Lower Hose 1.77 Inch