Mercury - Revolution 4 Propeller 14.6" Diameter x 20" Pitch Right-Hand Rotation 4-Blade Stainless Steel Polished Finish 8M0151323. Overview. There's nothing quite like the moment your boat grabs hold of the water and lifts cleanly onto plane - steady, smooth, and full of confidence. The Mercury Revolution 4 Propeller ( 8M0151323) was designed to give boaters that exact feeling every time they push the throttle. Whether you're cruising across open water, towing the family for a day of fun, or run