auto tranny fluid and tires...

[BRSTYLE240SX]

is it worth it to bother with racing/perfomance auto transmission fluid? if yes.. any suggestions? and also i read before in this board the name of the tire that most of you suggested.. but i couldnt find it.. i know it's  Kumho, can anybody tell me the model name again please.. thank you!

[240 2NR]

Kuhmo 712

I can't say for your trans fluid as I drive a manual.  Do they even make a true racing auto fluid?  Wouldn't most race cars have a manual transmission, unless its a domestic drag racer  or something?