Mercury - Fury 4 Propeller 14.5" Diameter x 23" Pitch Right-Hand Rotation 4-Blade Stainless Steel Polished Finish 8M0151278. Overview. When your boat's fully loaded and the competition's heating up, you need a propeller that doesn't flinch - one that digs in, lifts strong, and stays smooth no matter the weight. That's what the Mercury Fury 4 Propeller ( 8M0151278) delivers. It's the prop you run when you've got gear piled high, livewells full, and performance on the line.. Built from Mercury's e