Hustler Aluminum 3 Blade Props for 90-300+hp Engines with 4.75 in. Gearcases. Boasting the same race-proven geometry as Turning Point's stainless steel propellers, Turning Point Hustler aluminum propellers resist blade flex to deliver both improved fuel economy and performance. Under acceleration, tuned exhaust vents in the prop barrel reduce water density around the blades to produce faster hole shots and higher horsepower. Stainless steel performance at aluminum prices. Prop blades resist flex for improved fuel economy and performance. Tuned exhaust vents improve hole shot. Squeeze casting adds strength, boosts performance and makes repair easier. Protected by 5-step powder-coated finish. Propellers fit COX, Evinrude, Honda, Johnson, Mariner, Mercury, MerCruiser, Nissan, OMC, OXE, Parsun, Suzuki, Tohatsu, Volvo Penta, and Yamaha Outboards and Sterndrives. Uses 500 series Installation/hub kits only-Sold separately. See application chart for engine application information and required Installation/hub kit part numbers. Turning Point Hustler aluminum props function just like Express stainless steel designs and run within 0.5MPH to 1MPH of each other most of the time. There are many reasons for this:- Hustler props are produced from the same stainless steel geometry and drawing. Hustler is cast using the latest state-of-the-art squeeze casting technologies. Material: Metal.