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Turning Point Propellers 31431740 Express Mach4 4-Blade Stainless Steel Propeller 13.25x17 LH

Manufacturer

Turning Point Propellers

<h3>About Turning Point Propellers</h3><p>Founded in 1997 and headquartered in Jacksonville, Florida, <strong>Turning Point Propellers</strong> has spent more than 26 years earning a reputation as one of the marine industry&apos;s most innovative propeller manufacturers. What started as a drive to engineer better-performing boat props has grown into a globally distributed brand trusted by recreational boaters, dealers, and OEM partners alike. The company&apos;s core philosophy is straightforward: <em>Run Faster. Pull Harder. Handle Better.</em></p><h3>A Legacy Built on Industry Firsts</h3><p>Turning Point&apos;s history reads like a timeline of marine propulsion innovation. The brand introduced the industry&apos;s first multi-manufacturer interchangeable hub propeller, the first full-color prop selection charts, and the first online Prop Wizard calculator to help boaters match the right prop to their engine. Later milestones include the first high-performance four-blade aluminum propeller and the first &ldquo;safer&rdquo; propeller design — the Aegis series — engineered to minimize harm to marine life at low boat speeds.</p><p>Today, Turning Point&apos;s lineup is organized around three flagship series: the <strong>Hustler</strong> aluminum propellers, the <strong>Express</strong> stainless steel propellers, and the <strong>Aegis</strong> safer-design series. Each is built to cover a wide spectrum of engine outputs, from small outboards in the 6 HP range up to powerplants exceeding 300 HP, and fits vessels ranging from bay boats and pontoons to tritoons and sterndrive applications.</p><h3>Engineering That Sets Turning Point Apart</h3><p>A key differentiator in Turning Point&apos;s manufacturing process is its exclusive squeeze-cast method for aluminum propellers. This technique virtually eliminates the voids and air pockets that weaken conventionally cast props, producing a tighter grain structure and stiffer blades that resist flex — translating directly into more efficient power transfer. Stainless steel Express props feature advanced pitch-line and rake-line cupping along with vented barrels that allow exhaust gases to escape during acceleration, improving hole-shot performance. Turning Point also applies a proprietary Ultracoat powder-coat finish to all aluminum propellers for a corrosion-resistant, high-gloss appearance that holds up in harsh saltwater and freshwater environments alike.</p><h3>Propellers for Every Boater</h3><p>The heart of the Turning Point catalog is its broad selection of <a href="/200673-propellers-turning-point-propellers-7621">Turning Point Propellers</a> — three- and four-blade designs in both aluminum and stainless steel, available in right- and left-hand rotation to suit virtually any outboard or sterndrive configuration. Whether you&apos;re looking to maximize top speed, improve fuel economy on long cruises, or gain better low-end pulling power for watersports, there is a Turning Point prop engineered for that purpose.</p><p>Equally important to a proper propeller installation is the hardware that supports it. Turning Point&apos;s line of <a href="/7621-turning-point-propellers-propeller-parts-accessories-200817">Propeller Parts &amp; Accessories</a> — including their patented MasterGuard hub kits — rounds out the system. The MasterGuard hub features a one-piece glass-filled nylon over brass spline design that eliminates the failures common in older multi-part sleeve-and-spline systems, while protecting engines and drives from shift shock and impact loads. Crucially, these hub kits are covered by the industry&apos;s only lifetime warranty and are compatible with Mercury Flo-Torq II, Michigan Wheel XHS, and Solas Rubex hub kit systems.</p><h3>Why Boaters Choose Turning Point</h3><ul style="list-style:disc"><li>Over 26 years of dedicated marine propeller engineering and manufacturing</li><li>Exclusive squeeze-cast aluminum process for stronger, flex-resistant blades</li><li>Industry-first interchangeable MasterGuard hub system with a lifetime warranty</li><li>Wide compatibility across major outboard and sterndrive engine brands</li><li>Prop Wizard tool to help boaters select the optimal pitch and diameter</li><li>Vertically integrated manufacturing from raw ingot to finished product</li></ul>

Part Number

31431740
09/12/2036 5:11 AM
Sale Price

$391.79

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Product Details

The Turning Point Express Mach4 4-Blade Stainless Steel Propeller delivers exceptional performance for outboard engines from 40-150 horsepower with 4.25-inch gearcases. This advanced propeller combines the hole shot and handling advantages of a 4-blade design with the top-end speed typically only found in 3-blade propellers.

Key Features:

  • 13.25-inch diameter x 17-inch pitch, left-hand rotationSwept cleaver blade design for superior water flow and lift
  • Unprecedented hole shot acceleration and rough water stability
  • Maintains 3-blade top-end speed without the performance loss common to other 4-blade propellers
  • Tuned exhaust vents for improved acceleration and best-in-class reversibility
  • Enhanced ease of steering and handling characteristics
  • Premium stainless steel construction with superior corrosion resistance
  • State-of-the-art casting technology and race-proven high-gloss finish

The Express Mach4 propeller is engineered for boaters who demand maximum performance without compromising top speed. Its innovative 4-blade swept cleaver design provides the quick planning and confident handling you need in varied water conditions, while the tuned exhaust vent system optimizes thrust and maneuverability in forward and reverse.

Products specifications

Diameter

13.25"

Pitch

17

Rotation

LH

Great

got the product to me in a timely manner and the product way for the best price

So far, so good

1st order. Shipped super fast and prices are amazing. I will be back for sure.

exellent

Initially I was somewhat disappointed with this site's turnaround between the purchase and shipping dates (aprox 3 days) on my merchandise. After vocalizing about the issue autoplicity's customer service actually approached me to correct the problem. With other such issues from other online stores I have had to track down someone to contact for help and then go through an ordeal to obtain assistance. I would use this site again based solely on their proactive service.

So far so good.

great price for turbo timer. received it in a couple of days. great

thanks hope it fits

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