1970-1974 Mopar E Body Aluminum Performance Radiator. AT Cars. Fits some of the following. Double check dimensions. 70-74 Challenger 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. 100 percent TIG welded All Aluminum (2) 1.25 inch Tubes Polished OE style tanks 16 fins per inch Corrugated fins that give more surface area and more thermal transfer Pressure tested For Automatic trans Old Part Number: RPE754A Radiator Specs Core Height 17.3 inch Core Width 24.75 inch Overall Height 23.25 inch Overall Width 28.85 inch Overall Thickness 3 inch Tubes (2) 1.25 inch Tubes Upper Hose 1.50 inch Lower Hose 1.65 inch