Highly polished, ultimate performance, stainless steel propeller. Standard 3-blade propeller can be utilized on typical outboard and sterndrive applications. Note: For engine applications 1976-1990 use XHS TM (Drop-in Hub) Kit #101. For engine applications 1991 and newer, use XHS TM (Drop-in Hub) Kit #100. For engines 300 HP or higher use "high horsepower sleeve".