Hustler Aluminum Right Hand Propeller Size: 13 x 15 4 Blade Note: A hub kit is required for installation of this propeller. Please refer to the Prop Selection Chart or Prop Wizard for hub kit selection. Incorporating the most efficient design features of high performance stainless steel propellers, Hustler Aluminum boat propellers run away from the competition. Hustler High Performance Series propellers are the only aluminum propeller manufactured with performance enhancing vents. There is a Hustler propeller that is perfect for almost any boating application. Features: Performance upgrade to OEM and aftermarket propellers Stainless cast for strength and performance Tuned vents for fast hole shot Performance tuned rake and progressive pitch angles Improve boat handling and lift Long lasting finish Unique design with two different blade geometries First two blades increase hole shot and cornering Second two blades increase top speed and maximum stern lift Unmatched in cornering, acceleration, boat handling and top speed Best watersports and performance propeller on the market