Mercury - Revolution 4 4-Blade Stainless Steel Propeller 14.6" Diameter x 15" Pitch Left-Hand Rotation 4-Blade Stainless Steel 8M0151314. Overview. There's a moment when your boat locks into the water, the throttle responds, and you can feel the hull rise - steady, confident, and ready for anything. That's the experience the Mercury Revolution 4 Propeller ( 8M0151314) is built to deliver. Designed for power, stability, and control, it's the prop that gives deep-V and heavily loaded boats the mus