Mercury - Bravo Three Rear/Aft Propeller 14" Diameter x 24" Pitch Right-Hand 3-Blade Stainless Steel Matte Finish 8M8022430. Overview. There's something about the way a boat lifts and tracks true when you've got the right prop under it - and this one nails it. The Mercury Bravo Three Rear/Aft Propeller (Part Number 8M8022430) delivers the kind of steady, confident push you feel in your chest when throttling up a heavy cruiser or deck boat. It's smooth, responsive, and built to take a beating sea