Mercury - Revolution X 4-Blade Propeller, 27 inch Pitch Left-Hand Rotation V10 Prop Series Polished Stainless Steel 8M0182955. Overview. There's a certain feeling you get when a boat responds exactly the way you want - when the bow lifts cleanly, the engine settles into a powerful hum, and the hull glides forward with purpose. That moment isn't luck. It's the result of the right propeller translating every bit of engine power into smooth, confident motion. The Mercury Revolution X 4-Blade Propel