Replace your propeller housing with Turning Point's 11200500 MasterGuard Hub System Installation Kit #25. This kit is compatible with Hustler and Express Series Propellers for select Yamaha 9.9-35hp engines with a 3" gearcase. Boaters save up to 38% when buying a replacement propeller housing. MasterGuard hubs are Re-useable most of the time after a prop strike, and if not. These hubs offer enhanced lower unit protection. Turning Point's MasterGuard Hubs are engineered to withstand typical wear and tear over time without risk of spinning or failure under normal operational use. Turning Point's unique patented one piece hub with glass filled nylon over durable marine bronze splines eliminates failures commonly seen in multi-part "sleeve and spline" designs, and pressed-in rubber hub systems. Covered by US Patent #6,471,481, #6,685,432, #7,717,678 and worldwide patents with additional patents pending. Refer to manufacturer recommendations to ensure a proper fit before purchasing.