Mercury - Revolution X 4-Blade Propeller, 18 inch Pitch Right-Hand Rotation V10 Prop Series Polished Stainless Steel 8M0182942. Overview. There's a certain thrill in those first few seconds after you push the throttle - when the boat rises, catches its balance, and glides forward with purpose. It's the kind of moment that tells you everything underneath is working exactly the way it should. The Mercury Revolution X 4-Blade Propeller, part number 8M0182942, is built to deliver that feeling run af