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I order to provide the best possible answer we can, it helps if you provide any of the following information which you may have:

  1. What is the length of your vessel? (in Ft.)

  2. What Brand is your drive unit? (required)

  3. What Year is the motor / drive? (required)

  4. What is its Horsepower or Model number (the motor)? (required)
    (e.g.- 150 hp, 150 Optimax, 70C, 65 Pleasure, DT-225, etc.)

  5. What do you use your boat for the most?
    Fishing/speed Watersports/ towing stuff
    Cruising/ Fuel Economy Other

  6. What is the pitch of the propeller you are using now:

  7. How fast (top speed) do you reasonably think your boat can/should go? (MPH, required)

  8. What is the maximum RPM you can reach at that speed? (RPM)

Piranha Propellers • 3681 Sacramento Dr Suite D • San Luis Obispo, CA 93401 • sales@piranha.com • 800-235-7767