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View Full Version : 480 big bore on 450



jimmiee
04-16-2006, 09:00 PM
hey guys, just wanted to know what you all thought about the 480cc kit that motosport outlet sells? im plannin on gettin one and wanted to know if theres anybody here that has a first hand experience with this set up? i want to know how much more of a hp gain im gonna get and how reliable this kit is? will i need a bigger radiator? is there any other motor work i should get done that is neccesary or anything that works well with this kit?