Wrong heads for a 273

I just got the deal of the century on a 273 short block that came with a full gasket set. Really nice gentleman had it and gave me a tour of his shop after we loaded in my truck. It is/was the backup block for his streamliner dragster that has been restored and won't be racing anymore. Here is a link to that story, I thought many would find it interesting.
The Silver Bullet Dragster Comes Full Circle
In his shop along...

Wrong heads for a 273
Author: gzig5