Mercury - Quicksilver Silverado Propeller 13.4" Diameter x 14" Pitch Right-Hand Rotation 3 Blades Stainless Steel High-Polished Finish QS5168X. Overview. There's a sense of calm confidence when your boat moves exactly how you expect-clean acceleration, smooth handling, and steady control even when the water gets unpredictable. The Quicksilver Silverado 3-Blade Stainless Steel Propeller ( QS5168X) gives you that feeling every time you throttle up. Built for boaters who value strength and balance,