*MasterGuard 500 Series Installation Kit for Engines with 4.25" or 4.75" Gearcases
*Lifetime warranty for engines under 200 HP with aluminum or stainless steel props and engines 200+ HP with aluminum props only
*MasterGuard Installation/Hub Kits carry the only Lifetime Warranty in the WORLD!
*Hubs have no warranty restrictions, except for extreme commercial use
*Saves a boater up to 33% on replacement propeller purchases (need to purchase prop housing only)
*One piece design: durable marine Bronze with Over Molded Glass Filled Nylon for Long Life
*Reusable after a Prop Strike
*Enhanced lower unit protection
