The 13 1/4 X 17 S3R Prop Apollo is one of Michigan Wheel s best-valued propellers designed in highly polished stainless steel using Michigan Wheel s industry-preferred XHS Hub System and are interchangeable with Mercury s Flo- Torq II system. This model is suitable for the majority of sterndrive and outboard applications. Key Features: Utilizes XHS Hub System and is interchangeable with Mercury s Flo- Torq II system. Highly polished stainless steel wheels for optimum performance Fits engines for Mercury/Mariner/Mercruiser, Evinrude/Johnson, Force, OMC/Cobra Sterndrives, Yamaha, Suzuki, Honda, Nissan/Tohatsu, and Suzuki. Part Specifications: Item Number: 993144 UPC: 014984015394 Weight: 12.00 LBS Pitch: 17 Diameter: 13 1/4 inch Blades: Standard 3 Blades Rotation: Right Hand (RH) Engine Types: V4 / 4 - 1/4 inch Gearcase Splines: Determined by Hub Kit Material: Stainless Steel Brand: Michigan Wheel Marine Condition: New Note: Hub Kit is available for purchase separately. Recommended Applications for Apollo XHS Standard 3 Blade: Inflatables, Flats Boats, Sport Boats (Duals and Singles), Bass Boats, and Aluminum Consoles. This model part replaces E2-1317, E1-1317, A1-1317, A2-1317, 9431-133-17, and 14984015394. Standard 3-Blade