Tusk Top End Gasket Kit - Fits: Suzuki Vinson 500 4x4 2002-2007 Tusk top-end gasket kits utilize top quality materials for their gaskets, O-rings, and seals. Tusk Top End Gaskets are made from the highest quality materials available. Kits come complete with head and base gaskets and other necessary gaskets and parts to rebuild the top end on your motorcycle or ATV.