The Silverado Q4 Stainless Steel Propeller uses the Quicksilver Flo TorQ Hub System, so it's easy to replace or repair. The Silverado Stainless Steel Propeller is an excellent choice for increased performance and durability over a standard aluminum propeller. Made of one-piece cast stainless steel for exceptional strength and durability, the Q4 is a revolutionary propeller that improves both acceleration and top speed on center consoles, high horsepower pontoons, and sterndrive-powered runabouts. The design consists of high-rake angles and thin blades which make the Q4 the highest performing prop in the Quicksilver lineup. Equipped with PVS (Performance Vent System).This modular propeller uses the Quicksilver Flo TorQ Hub System, so you can easily switch props, change pitch, change from aluminum to stainless, or replace a bent propeller. It also works with the Michigan Wheel XHS Hub Kits. This is the propeller housing with blades only. Hub Kits are sold separately. Quicksilver Part Number: 48-8M0103533 Great for most outboards & sterndrives Exchangeable hub system Prop Only. Hub Kit Sold Separately. | Quicksilver Silverado Q4 4-Blade Modular Prop / SS, 14.6 dia x 23 pitch, LH