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View Full Version : wast the best top end to put in a 400ex


bigballz400
05-04-2006, 03:16 PM
wat is over all better the 426 or the 440.....its stock right now w/ an r4 and k&n?
underpowered
05-04-2006, 03:20 PM
search, this topic has been beat to death. just a simple search and you willl find all kinds of info on it.
Wheelie
05-04-2006, 08:30 PM
Stroke It:D