The Prop Builder
Five questions. One verified recommendation.
The Builder checks your boat against 11,353+ documented fitments, runs the same sizing rules our engineers use, and screens the risk factors — then a human verifies everything before a propeller is supplied. No prices, no pressure, no purchase path.
11,353 fitments checked2 minutes, 5 questionsengineer-verified, always
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Why we work this way
Every recommendation is provisional until an engineer signs it
Basic sizing needs the correct engine power, RPM and gearbox ratio — that part is fast. But water flow, tip clearance, drivetrain condition and how you actually use the boat decide whether a propeller will genuinely work. We won't supply one we don't believe in, and the Builder is built to catch exactly those cases.