Mercury - Revolution 4 Propeller 14.6" Diameter x 25" Pitch Right-Hand Rotation 4-Blade Stainless Steel Polished Finish 8M0151329. Overview. Every boater knows that feeling when your boat rises smoothly onto plane, the engine hums in sync and everything just feels right. That's the kind of balance the Mercury Revolution 4 Propeller ( 8M0151329) delivers every single run. Designed for power, control, and consistency, this prop thrives when conditions get rough or loads get heavy. Whether you're t