ACME 3631 18.00" x 17.50" 4-Blade LH Propeller 1025" Bore .105" Cup

ACME 3631 18.00" x 17.50" Wake/Ski 4-Blade LH Propeller 1025" Bore .105" Cup more surface area than comparable 3 blade propellers which means a more efficient transmission of power, higher fuel economy, and more consistent speeds. Acme did an outstanding job developing this series of props for ski and wakeboard boats. These inboard props are helping ski and wakeboard boats achieve performances never before seen.