There is room between the frame rails to put a 26" wide rad. How much the battery box will effect the alterations that will be required are pretty questionable, and you may need to get creative to mount it. You will also have to open up the hole in the surround to make use of the 26" wide rad. You might be able to go wider, but when I was messing with the early A bodies, a 26" wide rad was the widest thing I had available, because all I had was Mopar stuff. Gene