Michigan Wheel's XHS II Xchangeable Hub Propeller Series offers high performance and versatility. The exchangeable hub kit has a Delrin cushioned sleeve that absorbs impact and stress caused by shifting gears and is designed to spin under significant impact to protect your lower end unit. For use with the Vortex and Apollo Prop Housings, the XHS II Hub is also designed to be interchangeable with Mercury's Flo-Torq II hub system, making it a great choice for a replacement or spare prop.High performance and versatility, great choice for a replacement or spare propDelrin cushioned sleeve absorbs impact and stress caused by shifting gears, designed to spin under significant impact to protect your lower end unitDesigned for use with Vortex and Apollo prop housingsInterchangeable with Mercury's Flo-Torq II hub systemCompatible with Evinrude/Johnson Outboards - OMC Sterndrive (V6/V8 Gearcase - 1984-1990)