This secondary clutch is in great shape and fits all of the non-RER ZX chassis Ski Doos, and maybe other splined-shaft Ski Doos as well. Let me know if you have any questions. The item "Ski Doo Skidoo ZX Chassis Secondary Clutch MXZ 500 600 700 800 Mxzx" is in sale since Friday, June 22, 2007. This item is in the category "eBay Motors\Parts & Accessories\Snowmobile Parts\Other Parts".The seller is "drichardson2" and is located in Clarksville, Michigan. This item can be shipped worldwide.