This is a top quality top end engine gasket kit for all years models of the 2003-2008 Arctic Cat 400 Manual & the 2003-2010 Arctic Cat 400 Auto. This kit comes complete with all gaskets, o-rings etc shown above. We offer most parts to completely rebuild your model, so be sure to check out our storefront.  If you need the piston kit, please check it out in our store.