FYI, GP motorcycles has one of their 2008 AMA MX set up machines (TC450) in parting out status. for anyone looking for twin cam 450/510 parts. http://gpmotorcycles.com/ I all ready got the lower shock gudgeon and the 2 chain adjuster screws and nuts,,,,but that leaves alot more of the bike left. RaceTech suspension,chassis, hardware,motor,carb,wheels etc etc