Product Description: 1957 Chevrolet Full-size Passenger Cars - Standard Heater Core
Measurements:
8-1/2" long x 6-1/2" wide x 2-5/8" thick
Tubes: 7" long & Inner Diameter Hole is 5/8"
For more information, follow the link: 1957 Chevrolet Full-size Passenger Cars - Standard Heater Core