1964.5-1966 Ford Mustang 289 Aluminum Performance Radiator. AT Cars. 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. Original fan shroud will mount with original mounting brackets. 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 Polished OE style tanks 16 fins per inch Corrugated fins that give more surface area and more thermal transfer Pressure tested For auto trans Direct fitment for 65-66 Mustang w/ 289 V8 Old Part Number: RPE564A Radiator Specs Core Height 16.5 inch Core Width 16.25 inch Overall Height 20.5 inch Overall Width 18.38 inch Overall Thickness 3 inch Tubes (2) 1.25 inch Tubes