Acme 4 Blade 13.5X16 PropellerSwitch out your damaged prop with this 13.5X16 4 Blade prop from ACME Propellers. This ACME prop is CNC cut giving it the extra precision which is often needed. ACME’s industry leading CNC machining production process results in a prop that is accurate to one thousandth of an inch. That means silky smooth operation with no harshness or vibration. The ACME 4 Blade Propeller offers more surface area than comparable 3 blade propellers which means a more efficient transmission of power, higher fuel economy, and more consistent speeds. 4 blade props are well balanced and add extra low end acceleration compared to 3 blade props. This 4 blade prop adds great performance for boats with surf or wakeboard ballasts.Diameter: 13.5“Pitch: 16“Cup: .105Rotation: Left HandShaft: 1 1/8“This prop is recommended from the factory and is a great performer on most Supra and Moomba V-drive boats as well as many other manufacturers.Recommended for:Outback V (330 MPI, 345 MPI)Mobius LSV (330 MPI, 345 MPI)Mojo (330 MPI, 345 MPI, 6.2 MPI 450)Sunsport 21v (345 MPI, 6.2 MPI 450)Sunsport 22v (345 MPI, 6.2 MPI 450)Sunsport 242 (345 MPI, 6.2 MPI 450)Launch 21v (345 MPI, 6.2 MPI 450)Launch 22v (345 MPI, 6.2 MPI 450)Launch 242 (345 MPI, 6.2 MPI 450)SA 350 (345 MPI)SA 450 (6.2 MPI 450)