Dorsal Fin Style Hydrofoil Stabilizer for 5–150 HP Outboard Motors and Stern Drives | SeaSierra

Product Details:

Improve running balance and handling with this dorsal fin style hydrofoil stabilizer for compatible outboard motors and stern drives. Its reinforced PA66 plastic construction is designed for marine use and helps support a more stable on-plane ride.

• Manufacturer & Brand: SeaSierra
• Category: Marine Hydrofoil Stabilizers
• Part Type: Hydrofoil Stabilizer, Dorsal Fin Style
• Material: Marine-grade reinforced plastic PA66
• Color: Black
• Quantity: 1 hydrofoil stabilizer
• Outer Material: Reinforced plastic
• Size: Height: 10-1/4 inches; width: 8-1/4 inches per wing

What's Included:

• Hydrofoil Stabilizer: One dorsal fin style hydrofoil made from reinforced PA66 plastic

Compatibility:

Application range: Designed for compatible 5–150 HP outboard motors and stern drives.

Always compare the hydrofoil dimensions and mounting area with your engine and boat before ordering. Compatibility can depend on the engine configuration, anti-cavitation plate dimensions, and available mounting clearance.

Installation:

• Bolt-on installation may require drilling through the anti-cavitation plate.
• Use appropriate marine-grade fasteners and follow the installation instructions supplied with the mounting hardware, if applicable.
• Confirm that the stabilizer is securely mounted and clear of the propeller and other moving components before operation.

Performance Benefits:

• Helps improve running balance and stability.
• May support smoother on-plane performance and improved handling.
• Dorsal fin design can help with tracking and control during turns.

Important Information:

• This listing is for one hydrofoil stabilizer.
• Mounting hardware and a drill bit are not confirmed as included in the available product record; verify the package contents before installation.
• Professional installation is recommended if drilling or mounting clearance is uncertain.