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 A: For use on V6 (4-3/4" Gearcase) Outboard & V6/V8 I/O Engines• Michigan Vortex Part #: 992202• 4-Blade Aluminum• Diameter: 15"• Pitch: 16"• Standard right hand rotation Engine/Hub Kit Required: Evinrude/Johnson90-140 HP, LARGE GEARCASE, 1976-1990; 15 TOOTH SPLINE / 20190-140 HP, LARGE GEARCASE, 1991-PRESENT; 15 TOOTH SPLINE / 200150-300 HP, 1976-1990; 15 TOOTH SPLINE / 201150-300 HP, 1991-PRESENT; 15 TOOTH SPLINE / 200OMC/CobraMODEL 800/COBRA/KING COBRA, 1978-1990; 15 TOOTH SPLINE / 201MODEL 800/COBRA/KING COBRA, 1991-PRESENT; 15 TOOTH SPLINE / 200 High gloss powder coat Engineered to enhance hole shot Hub kit required | Vortex 4-Blade Prop, Exchangeable Hub / Aluminum, 15 dia x 16, RH