Express Mach4 Series 15"D x 15"P RH Rotation 4-Blade Stainless Steel Thru Hub Exhaust Propeller (3150 1532) by Turning Point®. Now manufactured in the Industry leading TP17 stainless, the Express series is perfect for any application that demands enhanced acceleration, cornering, and load carrying capabilities. This prop series is ideally suited for watersports, sterndrive boats, tri-toons, bay boats, and any vessel that can use stern lift. It is our best upgrade of older stainless designs from the 70’s, 80’s, 90’s, and ’00’s, and will outrun most newer props, including five blade ski props.
- 500 series hub kit is required for installation
- Fits 4-3/4" Gearcase
|Rotation: Right Hand|
|Blade Quantity: 4|
|Material: Stainless Steel|
- Newer performance enhancing designs provide maximum top end speed, secure handling (less ventilation), and quick acceleration
- Higher progression of pitch - improves hydrodynamic efficiency for maximum overall performance
- Fine tuned cupping - grips the water tight and greatly reduces ventilation
- High rake - provides good lift and maximizes top end speed
- Vent holes - hole shot enhancing vent hole system allows your boat to reach a higher rpm more quickly
Utilizing almost 40 years of race boat and high performance prop design expertise, the Express series of props captures all the best techniques and technologies available to get the most out of your boat. Aggressive pitch angles, radical designs, sharp cup profiles. These three blade propellers excel at achieving maximum speed, while delivering Best-in-Class handling and acceleration. Hole Shot? Got it, and hang on! Cornering? We've got that, too! Top Speed? We say "No Faster Prop on the Water" for a reason!
Proprietary Stainless Steel, TP17™
Formulated to meet the exacting requirements of the New Express Mach3 and Mach4 designs. 20% higher chromium content than the competition - more shine, better corrosion resistance. Almost 250% Stronger and 5X more durable than run-of-the-mill stainless steel. This new material allows Turning Point's Engineers and Designers the freedom to produce radical new designs that will help you wring the most performance out of your boat.
MaxSpeed™ Dyno Balance Processes
Gives your boat a smoother running ride, higher top end speed, and increases fuel economy. This process is standard on every prop and is only offered as a costly option from other manufacturers. (Exclusive on all Aegis, Express Mach3, Express Mach3 OS, and Express Mach4 Propellers)
Large Free Flowing Exhaust Ports
Turning Point's Propeller Housings have massive Exhaust flow pathways. Their Propellers have 40% more exhaust flow Area versus competive product. More exhaust flow and less backpressure can generate more horsepower. Like headers for your boat.
Tuned Vents for Fast Acceleration
Express Stainless Steel Propellers have vented barrels for hole shot/low end acceleration. Turning Point is still the only manufacture to offer this race proven technique in their aluminum line of propellers. Wake-Boarders and water skiers get out of water faster. (select models only 13" and 14" diameter 15+ Pitch).
Best "In Class" Reversability
Recent tests reveal that new Hustler Aluminum Propellers have up to 46% more reverse thrust over competitive propeller designs.
Turning Point manufactures Express propellers to fit 9.9(bigfoot)-300+hp Evinrude®, Force®, Honda®, Johnson®, Mariner®, Mercruiser®, Mercury®, Nissan®, OMC®, Parsun®, Suzuki®, Tohatsu®, Volvo® Penta®, and Yamaha® Outboards and Sterndrives. Choose one of Lifetime Warranty MasterGuard Installation Kits to fit your engine, then choose the propeller that matches your boating requirements. Turning Point's Props Run Faster, Pull Harder, and Handle Better.
21+ years and running, Turning Point Propellers® is still designing the world’s best-performing and highest-quality 3 & 4 blade aluminum and stainless steel boat propellers as well as hub kit systems. The brand’s mission is to make the best-performing propeller in every category by using leading-edge designs and manufacturing technologies. Turning Point Propellers is driven to help every dealer & boater become a prop expert, and provide the tools to help them find the ideal propeller for their boat. It prides itself on offering the only ventilated aluminum propellers in the market. Turning Point Props feature an exclusive MasterGuard hubs guaranteed not to let you down. They’re engineered to be fuel efficient, durable, and corrosion and impact resistant as well as interchangeable with other manufacturers’ propellers. Impressive handling, edge hold and hole shot performance as well as the best-in-class reverse control sets them head and shoulders above the rest. Turning Point Props is all about making great boats better. There’s no faster prop on the water.