It's easy to select the right Torsion Rod Hub Kit from the table below. Simply locate your Brand, Horsepower,Year and Model of your Outboard or Sterndrive . If you are purchasing a kit to complete the instalation of a new QL propeller, make sure the Prop Series letter (C,D,E) for the Hub Kit you select matches the Prop Series letter (C,D,E) on the propeller. CLICK HERE to see a full selection of 3 & 4 blade QL Aluminum Propellers.