What are the dimensions of 2998326?

Product Description: 1970-73 Challenger, Charger, 'Cuda, Road Runner; Radiator Fan Shroud; 26"; B-Body, E-Body


Height is 21.25". 

Height of the flat area is 18".

Opening diameter is 20.25" and is offset to one side approximately .5".

Bolt hole center to center is 12.25" x 26".

Use with 26" radiators.