Vortex propellers are high-performance aluminum propellers with the Xchangeable Hub System (XHS), high-performance blade geometry, finely balanced blades, and a high gloss powder finish. Vortex outboard motor propellers from Michigan Wheel have a high-performance blade design, finely balanced blades, and a high gloss powder coat finish. Our XHS Hub Kits are used in Vortex propellers, making them interchangeable with Mercury's Flo- Torq IITM system. The Vortex propeller is an alternative for a boat prop upgrade, replacement, or spare prop for boaters. It is available for a variety applications (9.9 HP to V6/V8 OBSD; 3-Blade and 4-Blade). Key Features: Dynamic aluminum with the XHS Hub System used in the industry. Three-blade and four-blade combinations are available. Performance blade geometry, precisely balanced blades, and a high gloss powder finish are among the features. Towing skiers, tubers, knee and wakeboarders, pontoon applications, the 4-blade variant is ideal. Popular replacement prop among boat owners. Specifications: SKU: 941213 UPC: 014984020787 Weight: 5.00 LBS PITCH: 13 MATERIAL: Aluminum Hub Kit: Not Included Brand: Michigan Wheel Marine Standard 3 & 4-Blade