Mercury - Flo-Torq II Hub Kit Johnson & Evinrude V6/V8 Adaptation Marine-Grade Components 8M0119082. Overview. Anyone who's spent enough time on the water knows that a propeller hub isn't just a chunk of hardware-it's the quiet protector of your drivetrain. When you throttle forward, trim up, and feel the boat lift onto plane, you want that connection between engine and prop to feel solid and smooth, as if everything beneath your feet is working in perfect rhythm. That's where the Quicksilver 8M