Mercury - Revolution 4 Propeller 14.6" Diameter x 20" Pitch Left-Hand Rotation 4-Blade Stainless Steel Polished Finish 8M0151322. Overview. There's a special feeling when your boat digs in, planes fast, and holds tight through a long sweeping turn - steady, powerful, and in total control. The Mercury Revolution 4 Propeller (8M0151322) is built to deliver that feeling every single run. Whether you're cutting across big water, pulling a skier, or pushing a heavy offshore rig, this prop responds li