Whenever doing head or shortblock engine work, it is very important to replace old or worn engine gaskets. Nobody wants to have to pull an engine because of an old seal or gasket. You can save time and money with a genuine Mitsubishi OEM full gasket and seal kit for your 2003-2005 Evo 8 & 2006 Evo 9. These kits come complete with every gasket or seal that you could possibly need when doing any level of engine work including, head gaskets, valve cover gaskets, spark plug 0-rings, intake manifold gaskets and more. The full kit contains over 160 individual gaskets and seals. We strongly suggest this kit for any engine swaps, rebuilds, or upgrades. Choose the gasket and seal kit appropriate for your USDM 2003-2005 Mitsubishi Evo 8 or 2006 Evo 9.