Mercury - Trophy Plus 4-Blade Stainless Steel Propeller 13.75" Diameter x 25" Pitch Right-Hand Rotation 4-Blade Stainless Steel Polished Finish 8M0151394. Overview. Every boater knows that moment when the engine roars to life, the bow lifts, and you feel the boat settle perfectly into the water. That's the experience the Mercury Trophy Plus 13.75" x 25" Pitch Propeller (8M0151394) delivers - smooth, strong, and precise. It's built for those who crave speed and control in equal measure, whether y