StingRay™ Classic Hydrofoil Stabilizers made with SPEED-XP™. The #1 selling hydrofoil of all time continues to outperform all competition. With its ability to enhance performance in vitually any sized boat, the StingRay™ Classic is the most battle-tested product in its class. On plane in less time. Reduced bow rise. Eliminates chinewalking. Stops porpoising. Wipes out cavitation. Saves fuel. Aides in pulling skiers. StingRay™ Junior available for 2-1/2 to 40 HP.
Are these pre drilled to fit a 1987 150 hp yamaha outboard ?
Yes. This is pre-drilled to fit any application between 40 and 300 horsepower.
What does the underside look like ?
Refer to the second picture next to the price/part number details to see what the underside looks like.
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