Turning Point Propellers

What Are Turning Point Propellers?

Turning Point Propellers has spent over two decades engineering high-performance propellers for recreational boaters and serious mariners alike. Propellers are the single most critical interface between your engine and the water — the right prop translates horsepower into real-world speed, fuel economy, and handling, while the wrong one can rob your engine of efficiency and strain drivetrain components. Turning Point has built its reputation on making that choice easier and more rewarding, offering a wide range of propeller types and hub systems designed to suit virtually any outboard or stern-drive application.

Aluminum Propellers

Aluminum propellers represent the most popular entry point for most boaters, and Turning Point's approach to aluminum manufacturing sets them apart from conventional offerings. Rather than traditional die casting, Turning Point aluminum propellers are produced using an exclusive squeeze-cast process that virtually eliminates internal voids and air pockets, resulting in a tighter grain structure and stiffer blades. This means less power-robbing flex and performance characteristics that rival stainless steel at a more accessible price point. Their Hustler Series is a standout example — engineered with the same race-proven blade geometry found on their premium stainless models, making it an excellent all-around choice for pontoon boats, fishing vessels, and runabouts alike.

Stainless Steel Propellers

For boaters who demand maximum performance and long-term durability, Turning Point stainless steel propellers deliver on both fronts. Stainless steel's inherent rigidity means blades maintain their shape under load, translating to sharper handling, faster acceleration out of the hole, and higher top-end speeds. The Express Series — available in both 3-blade Mach3 and 4-blade Mach4 configurations — incorporates advanced pitch-line and rake-line cupping alongside vent holes in the barrel that allow exhaust gases to escape during acceleration, reducing water density around the blades for a quicker, cleaner hole shot. A five-step corrosion-resistant finishing process ensures these props stay looking and performing like new across seasons of hard use.

Hub Kits & MasterGuard System

One of Turning Point's most significant contributions to the marine industry is their interchangeable hub kit system — a concept they pioneered and continue to refine. The MasterGuard Series hub kits are constructed from glass-reinforced polymer, which absorbs vibration and chatter while protecting your gearcase from shock loads. What makes the system especially versatile is its broad application design: a single hub kit can interchange with propellers from multiple manufacturers, including Michigan Wheel XHS, Mercury Flo-Torq II, and Solas Rubex systems. The MasterGuard hubs back that versatility with an industry-leading lifetime warranty — a testament to the quality of engineering behind them.

Choosing the Right Propeller

Selecting a propeller involves balancing several variables: engine horsepower, boat hull type, load capacity, and intended use. Key specs to consider include:

• Diameter: The overall span of the prop circle — generally, larger engines use larger diameters.
• Pitch: The theoretical distance a prop travels forward in one revolution — higher pitch typically means higher top speed but slower acceleration.
• Blade Count: 3-blade props excel in speed and fuel efficiency, while 4-blade designs offer better lift, smoother ride, and improved low-end torque.
• Material: Aluminum for value and everyday use; stainless steel for performance and longevity.
• Rotation: Most single-engine boats use right-hand rotation, but always verify for your specific engine configuration.

Turning Point's extensive catalog covers outboard engines from leading manufacturers including Yamaha, Mercury, Honda, Suzuki, Evinrude, and more — making it straightforward to find a properly matched prop for your setup.