Early Dart (64-66) 22" radiator?

Champion makes one for that application. It is their #1635

According to their info sheet on it, it fits:

63-66 Dart, 66-69 Charger, 65-69 Coronet
63-67 Dodge Station Wagon, 63-65 Dodge 2 Door, 63-67 Fury
65-67 Satellite, 63-67 Belvedere, 63-67 Plymouth Station Wagon
63-66 Plymouth Valient/Signet, 63-64 Savoy



CORE DEM 18 1/2 x 21 7/8
OVERALL 23 3/4 x 26
HOSE LOCATIONS Off Set-Driver / Lower Driver
HOSE FITTINGS IN- 1 1/2 OUT- 1 1/2
TRANS/HEATER YES
MOUNTING TYPE BRACKET MOUNT
BRACKET SPECS Vert - 14 3/4 Hor - 24 1/2