No-Drill Clamp Set markers Add fins to your hydrofoil

Add fins to your hydrofoil and add directional control and stability that you've been missing

increases your ability to turn and reduces the cycle time on your auto-pilot system

It has all the right stuff to get you back on the road

Uncle Norm’s Hydrofoil Fin triples the effective rudder area giving you powerful directional control at very high speeds and adds crisp

Whether you’re battling wind

No-Drill Clamp Set markers Add fins to your hydrofoilNo holes to drill when mounting the Uncle Norm's Fins with the No Drill Clamp Set. Works on most outboard and I O stern drives up to 300 HP (Not recommended for the Volvo with exhaust through cavitation plate.). It's simple, fast and effective. Aluminum construction and powder coated for good looks and durability.