Mercury - Quicksilver Silverado Propeller 10.5" Diameter x 13" Pitch Right-Hand Rotation 3 Blades Stainless Steel High-Polished Finish QS5166X. Overview. There's something reassuring about a propeller that just works - every time, in any condition. The Quicksilver Silverado 3-Blade Stainless Steel Propeller ( QS5166X) delivers that kind of confidence. It's not about flash or overstatement; it's about clean acceleration, smooth cruising, and dependable power that feels effortless. For boaters who