Mercury - Revolution 4 Propeller 14.6" Diameter x 23" Pitch Left-Hand Rotation 4-Blade Stainless Steel Polished Finish 8M0151326. Overview. There's nothing quite like the moment your boat lifts cleanly onto plane - steady, balanced, and confident - while the engine hums in perfect sync. That's the experience you get every time with the Mercury Revolution 4 Propeller (8M0151326). Designed for those who expect both power and control, this prop takes on heavy loads, rough conditions, and long days