Vortex is a high performance aluminum propeller that utilizes the XHS Xchangeable hub system. The Vortex propeller features high performance blade geometry, precision-balanced blades, and high gloss powder coat. This propeller's blade design is engineered to enhance hole shot and increase cruise speed without sacrificing top-end speed. The XHS Xchangeable hub system makes the Vortex interchangeable with the Mercury Flo-Torq II system. Great choice for a replacement or spare propeller for boaters. Propeller and Hub Kit sold separately. Michigan Wheel Vortex XHS Propellers must be used with XHS hub system or Mercury Flo-Torq hub system. This Vortex XHS Propeller is the prop housing and blades only.• XHS Prop Series B: V4 Applications (4-1/4" Gearcase)• Michigan Vortex Part #: 992112• 3-Blade Aluminum• Diameter: 13.75"• Pitch: 13"• Standard right hand rotation Engine/Hub Kit Required: Evinrude/Johnson60 & 70 HP 4-STROKE, 1998-PRESENT; 13 TOOTH SPLINE / 210ALL OTHER V4 ENGINE APPLICATIONS; 13 TOOTH SPLINE / 206OMC/CobraMODEL 400/COBRA STERNDRIVES; 13 TOOTH SPLINE / 206 High gloss powder coat Engineered to enhance hole shot Hub kit required | Vortex 3-Blade Prop, Exchangeable Hub / Aluminum, 13.75 dia x 13, RH