Mercury - Trophy Plus 4-Blade Stainless Steel Propeller 13.75" Diameter x 19" Pitch Right-Hand Rotation 4-Blade Stainless Steel Polished Finish 8M0151390. Overview. There's a special kind of thrill that comes from a boat that launches cleanly, lifts strong, and carves through the water with precision. The Mercury Trophy Plus 13.75" x 19" Pitch Propeller (8M0151390) brings that feeling to life. It's smooth, fast, and dependable the kind of prop that makes your boat feel tuned perfectly to your th