Lol its all good, if you forget how to spell it, just read it backwards haha. Uh one of the biggest i would say would be the moabs
http://www3.towerhobbies.com/cgi-bin...?&I=LXSTA4&P=7 thats the tallest i found. Check out tires on towerhobbies.com. I like the 2.2 tires and rims, cause it gives it a more scale look, and it has more tire than rim.