Built for large, powerful outboard motors! Bob's Machine Extreme Series Gen 3 Jack Plates can lift a boat motor upwards, positioning its propeller closer to the water line for reduced drag and a dramatic increase in speed and power. A motor and hydraulic pump are both conveniently located inside the strong, 1-piece jac plate for easier rigging. Bob's Machine Extreme Series Gen 3 hydraulic jack plates come with the peace of mind of a manufacturer's 3-year limited warranty on the pump and lifetime limited warranty on the structure. 550hp max. Lifts a large outboard motor upwards Reduces drag and increases boat speed 1-piece jac plate for easy rigging Motor and pump inside jac plate