The aluminum radiator is designed to provide maximum cooling efficiency to prevent premature engine failure.Its lightweight and high heat transferring aluminum features a tube and fin design,that dramatically increases surface area that enables the heat to dissipate more efficiently.This Aluminum Radiator is at least 35% more efficient than stock ones.Most importantly,it has a much higher capacity for coolant than stock ones,which means that your cooling system will be more efficient and will be more resistant to temperature surges in racing applications. High Performance Racing Spec. 3-Row of tubes Core Racing Design Material: AA5052 Aluminum Includes CNC machined filler neck and cap Core Dimensions: 16-1/2" High x 17" Wide Overall Dimensions: 21-3/4" High x 19-5/8" Wide Upper Outlet Diameter : 1-1/2" located on the Passenger side. Lower Inlet Diameter : 1-3/4" located on Driver side. OEM Style Brass Petcock Drain Vehicle Fitment: For Ford Falcon/Ranchero/Econoline L6 V8 1960-1965 For Ford Mustang 1965-1966 /Mercury Comet 1961-1965