FOR 1964-1967 CHEVELLE, MALIBU, ELCAMINO. It is the size of the tubes/rows that provide the best cooling. Usually at a premium price. IT HAS DUAL 1 1/8" HIGH FLOW TUBES THAT PROVIDE BETTER COOLING THEN 3 OR EVEN 4-1/2" TUBES.
Cubauto 3 Row Core Radiator Shroud Fan Fits for 1963-1972 1965 Chevy Corvette 5.3L 5.4L 5.7L V8 Aluminum Radiators 1964 1965 1966 1967 1978 1969 Corvette Radiators
1964 1965 1966 1967 Ford Mustang front disc brake conversion v-8 4 piston
1963 1964 1965 1966 1967 1968 Impala Belair Biscayne AC Blower Motor Resistor
Radiator Core Support Mounting Kit Compatible With Chevy,GMC Truck 1960 1961 1962 1963 1964 1965 1966 1967 1968#60-16025
3 Rows All Aluminum Radiator for 1961-1969 Dodge D100 Series D100 Pickup Base Standard Cab Pickup 2.8L 3.7L V8 Gas, 1961 1962 1963 1964 1965 1966 1967 1968 1969 OE#CC6169 6169 CU6169 Radiator
VIPDUHI Radiator 3 Row for 1963-1968 Chevy Impala Bel air Biscayne Caprice Chevelle El Camino Kingswood 1959 1960 1961 1964 1965 1966 1967 3.2 3.8 4.1 4.6 5.0 5.3 5.4 5.7 6.5 6.7, Aluminum Shroud Fan