12V racing battery recommendations

[cmracing]

Originally Posted by GTX JOHN

Stock the batteries MUST be exactly the same size. NOT just same brand and similar model. I got bounced for less than 1 Inch difference in length and same width in the same brand and model. This was in St. Louis
at Divisional last year in my Demon.

Amazing! With all the other stuff going-on in Stock Eliminator they are worried about a battery.......... Guess it is easy to measure and check, unlike a lot of other "stuff"...........