Mercury - Trophy Plus 4-Blade Stainless Steel Propeller 13.75" Diameter x 17" Pitch Right-Hand Rotation 4-Blade Stainless Steel Polished Finish 8M0151389. Overview. There's nothing like that surge when your boat launches cleanly onto plane the smooth pull, the grip that locks you into the water, and the effortless control through every turn. That's what the Mercury Trophy Plus 13.75" x 17" Pitch Propeller (8M0151389) delivers. It's a prop that feels alive under your throttle, translating engine