It is the size of the tubes/rows that provide the best cooling. Usually at a premium price. THIS IS A 100% ALUMINUM RADIATOR W/TRANSMISSION COOLER. We will work with you to see what is wrong and correct the problem.
3 Rows Aluminum Radiator fit 1957 1958 1959 Ford Fairlane Ranchero Skyliner V8, Replacement Radiator, aluminum radiator
YoApoio 4 Row Aluminum Radiator for 1957-1959 1958 Ford Fairlane Ranchero Mercury Edsel V8, Full Performance Aluminium Radiators, Automotive Replacement Radiator
3Row Radiator for 1967-1970 1968 1969 Ford Mustang Cougar Fairlane Ranchero XR7 V8 5.0L 7.0L 24"W Core Aluminum Radiators
EGINCOOLER 4 Row Radiator for 1967-1970 Ford Mustang Fairlane Ranchero Torino Mercury Cougar XR-7 Big Block Engine Coolant Radiador para Ford with Shroud Fan 1968 1969 67 68 69 70 24"Core
RadySpeed 4 Row Aluminum Radiator+Shroud Fan Fit 1957-1959 Ford Fairlane Ranchero Skyliner
RADREPLA 3 Row Aluminum Radiator for 1957-1959 1958 Ford Mercury Fairlane Ranchero Skyliner Victoria Edsel V8 Engine V8 Radiador 57 58 59 AT Downflow Radiators Shroud 2x12" Fans Thermostat Relay Kit