Enhance top-end speed and thrust with Solas Titan 40140hp Mercury-Honda 3-Blade Stainless Steel Propellers. Strong stainless props improve stern lift and acceleration and increase thrust for extra-smooth performance. The 3-blade design also provides better midrange economy and speed. 4.25" gearcase, 15-tooth spline. Right rotation. Better top-end speed and thrust Improves stern lift and acceleration Enhances midrange economy