Kit includes head gasket, base gasket, breather cover gasket, valve cover o-ring, valve seals and exhaust gasket to rebuild the top end of your Polaris 325 or 330 motor. Don't ever re-use old gaskets when rebuilding your engine! High quality non-asbestos materials are used in kit. Includes all of the following top end gaskets shown in the photo including: Head Gasket Base Gasket Valve Cover O-Ring Exhaust Gasket Breather Cover Gasket Valve Seals Tensioner Gasket This gasket kit fits the following models: 2004-05 ATP 330 2000-02 Magnum 325 2003-06 Magnum 330 2003-13 Trail Boss 330 2008-13 Trail Blazer 330 2000-02 Xpedition 325