Mercury - Bravo Three Rear Propeller 14.4" Diameter x 20" Pitch Right-Hand 3-Blade Stainless Steel Matte Finish 8M8022370. Overview. When you are piloting a big cruiser or deck boat, balance and control make all the difference. The Mercury Bravo Three Rear 3-Blade Stainless Steel Propeller (part number 8M8022370) brings both. It's the rear prop in the Bravo Three dual system, designed to give you smooth acceleration, steady tracking, and quiet strength. Every push of the throttle feels sure and