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Piranha Propellers

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The Piranha Boat Propeller modular design allows for blades to be replaced due to damage or to be re-pitched for performance. The key to the patented Piranha boat propeller is the hub. The center hub is made from a high-strength aluminum core, over molded with our specially-formulated composite material.

Order your Carbon Fibre, Aluminum, or Stainless Propellers today! 

The Piranha blades are designed to absorb the shock of a propeller strike, which virtually eliminates lower unit damage. The Piranha boat prop hub is so strong that it is guaranteed for life, “you damage it, we will replace it.” The Piranha boat prop design also eliminates spun boat propeller hubs. The replaceable blades are manufactured from a specially formulated high-strength aerospace composite material. The manufacturing process is so precise, that the blade shape and pitch distribution is superior to Stainless Steel and Aluminum. Blade balance is no longer a problem as the Piranha Propeller blades are balanced to 2 times the industry standard. The precise balancing reduces lower unit damage caused by vibration.


Carry spare blades, instead of spare propellers.

Piranha’s boat propeller offers the fastest repair time around, but it’s important to have the parts to do the repair with. Whether you use 3 blade boat propellers or 4 blade boat propellers, since you can’t break more blades than are on the prop, we encourage you to simply carry a full spare set. True, you probably won’t damage them all at once, but this way you can ensure the propeller remains properly balanced and maintains the correct propeller pitch. Besides, won’t you feel better knowing you can fix it if you do, without ruining the rest of your day? Since you need a wrench to fix the boat propeller and an easy way to keep it all stowed on board, we realized that offering a kit was exactly what our customers needed. With a Piranha kit you’ll be set to rescue your day of boating fun and save a few bucks at the same time with the special price reduction on kit packages.

Propulsion Kits Include:

  • The Piranha Propeller of your Choice

  • A Completely Extra set of Blades

  • Floating Propeller Wrench

  • Piranha Storage Bag

Performance Kits Include:

  • The Piranha Propeller of your Choice

  • A Completely Extra set of Blades

  • Floating Propeller Wrench

  • Piranha Storage Bag

  • Piranha Hydrofoil Stabilizer


Stronger than Aluminum.
Piranha propellers are 17% stronger than aluminum props and no other composite propeller comes close to the strength of Piranha.

Piranha propellers will outperform aluminum propellers and in some cases, stainless.

No Down Time.
No more costly damage problems: Should you strike something in the water with your Piranha, 

simply remove the propeller nut, push out the damaged blade and slide in a replacement blade. 

In minutes and for a far lower cost than an aluminum repair, you are on your way. 

No waiting for repairs -- no down time.

Lifetime Hub Warranty.
With a lifetime unconditional hub warranty, all you need ever replace with a Piranha, is a broken blade - - if you can break it.

Full Selection.
There is a Piranha for nearly every outboard and sterndrive application -- from 8 hp through 300 hp.
We have thoroughly tested Piranha propellers. We extensively test all the propellers we sell. Piranha applications work exceptionally well. When you look at who uses Piranha you will be proud to have an American made Piranha propeller on your boat. From government agencies such as the US Navy Seals, and Dept. of Fisheries to hundreds of commercial fleets, rental fleets and marine engine builders such as Volvo.


The Balance System.
The Piranha injection molding system results in perfectly matched propellers. If a blade is damaged and replaced with a new Piranha blade, the repaired assembly is exactly the same weight, balance, shape and pitch as the original propeller, unlike a rebuilt aluminum propeller which often varies from stock configurations. Once you have welded an aluminum propeller, it is not as strong as the original. The molecular structure of aluminum changes when heated. These deviations from the original aluminum prop can result in performance loss and drive train wear ... this is not a problem with Piranha composite propellers.

The design incorporates an extruded aluminum inner core with an over molded 'Verton' coating. Tapered slots retain the blades, yet allow them to simply slide out for fast replacement.

Carbon Fiber Material.

The blades are made from a high tech composite called 'Verton'. This is a blend of long fiber nylon and carbon fiber. As well as tough, Verton blades are virtually corrosion free. With the Piranha system, a combination of lower inertial weight, the shock absorption characteristics of Verton and a patented blade and hub design, there is more protection to the lower unit than either stainless steel or die cast aluminum propellers.

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