Check out A-Main Hobbies. They are the gold standard for all things R/C car. I, myself am a big Associated fan. 1/10 or !/8, glow or electric, they are one of the very best! Parts are sold everywhere, and upgrades abound! A word of caution, though. These guys (Associated) are dead serious racers! They race all over the world and expect to win wherever they go. Their products are the result of intense research and development and they are world class. Not exactly underdogs.