Cold Case Radiators GMT556A21-1 Features:

1977-1987 Chevy/GMC Truck Aluminum Performance Radiator. This is the radiator that is 21 Inch high overall. See GMT556A for the 19 Inch high version. 1.25 inch Upper and 1.5 inch Lower Hoses. For other configuration, see GMT556A21.These COLD-CASE radiators are Tig welded 100 percent aluminum and absolutely beautiful. Don't buy a 3 or 4 row aluminum radiator! It doesn't cool as good as these oversize 2 row models. These radiators are original appearing and have the correct stamping. Once painted, you'd be hard pressed to find a difference over an original versus a COLD-CASE.Details:100 percent TIG weldedAll Aluminum2 Rows of 1.25 Inch tubesPolished OE style tanks16 fins per inchCorrugated fins that give more surface area and more thermal transferPressure testedFor automatic transDirect fitment for 77-87 GM Truck w/ 1.5 inch Lower HoseRadiator Specs:Core Height 18.8 InchCore Width 28.35 InchOverall Height 21 InchOverall Width 34.33 InchOverall Thickness 3 InchTubes (2) 1.25 Inch TubesUpper Hose 1.25 InchLower Hose 1.5 InchTrans Cooler Fitting: 5/16 inch Inverted Flare