The 11 3/4 X 15 A3R PROP VORTEX is a high-performance aluminum propeller utilizing the XHS Xchangeable Hub System. The 11 3/4 X 15 A3R PROP VORTEX is available for a full range of applications (9.9 HP thru V6/V8 Outboard & Sterndrive). The 11 3/4 X 15 A3R PROP VORTEX is a great choice for a replacement or a spare propeller. Key Features: It is the perfect replacement propeller Added cup for peak acceleration and grip Reduced diameter helps maintain top-end speed Aggressive blade geometry This is available in aluminum Top speed and durable results. Made of aluminum material Available for 9.9 HP thru V6/V8 Outboard & Sterndrive High-performance blade geometry Precision-balanced blades and a high gloss powder coat. Designed to provide an increase in holeshot, without the sacrifice of top-end speed. Specifications: Brand: Michigan Wheel Marine SKU: 992302 Size: 11 3/4 x 15" Weight: 4.00 LBS PITCH: 15 MATERIAL: Aluminum Hub Kit: Not Included Blades: 3 Rotation: RH # Splines: Determined by Hub Kit Engine Type: Evinrude, Johnson, Tohatsu, Nissan (40-70HP) Old Part No OEM No:386786 UPC: 014984012744