Cold Case Radiators GMP20A Features:

1961-1964 Pontiac Fullsize Big Car V8 389/421 Aluminum Performance Radiator.61-64 Bonneville61-64 Catalina61-64 Grand PrixThese 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.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 auto/manual transDirect fitment for 61-64 Pontiac Fullsize 389/421Radiator SpecsCore Height 17 inchCore Width 25.5 inchOverall Height 23 inch with capOverall Width 25.6 inchOverall Thickness 3 inchTubes (2) 1 inch TubesUpper Hose 1.75 inchLower Hose  1.75 inch