Mercury - Quicksilver Silverado 3-Blade Stainless Steel Propeller 13.375" Diameter x 14" Pitch Right-Hand Rotation 3-Blade Stainless Steel Polished Finish QS5114X. Overview. There's a certain confidence that comes from a prop that feels effortless when the throttle responds instantly, the hull lifts cleanly, and every run feels steady and sure. That's what you get with the Quicksilver Silverado 13.375" x 14" Pitch Propeller (QS5114X). It's a prop built for boaters who've outgrown aluminum and wa