Applications: 2003 - 2008 Mazda 6 3.0L 2968CC V6 DOHC - Spec Note:(24 Valve) Eng. Code "MZI" Additional Information: * This head gasket kit is just what you need to keep your car in good running order. The head gasket set that you will receive in this kit are high quality gaskets that the dealers and rebuilding shops use everyday. So do not settle for lesser quality parts when it comes to engine repair. * These gaskets and are designed for the professional installer. It does not come with any installation instructions. If you do not have a service manual, .