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FLASHSALE26

Sport-300 Whale Tail Hydrofoil Stabilizer for Outboard Motors and Stern Drives, 40–300 HP

Regular price $73.70

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Delivery and Shipping

Orders are typically processed within 1–2 business days.


U.S. orders usually arrive within 6–15 days, depending on stock location and destination.


International delivery times may vary due to customs processing.


Tracking information will be provided once your order ships.

If you have any questions, feel free to email us at info@seasierra.com, and we’ll get back to you within 20–36 hours.

Product Details

The Sport-300 Whale Tail Hydrofoil Stabilizer is designed for boat outboard motors and stern drives in the 40–300 HP range. It is intended to help improve low-speed handling, planing performance, and stability when correctly installed on a compatible anti-ventilation plate.

This is a single hydrofoil stabilizer, not a multi-unit kit. The company product record identifies the finish as silver.

  • Designed for compatible outboard motors and stern drives from 40 to 300 HP.
  • Silver finish.
  • Installs on the engine or drive anti-ventilation plate; confirm the mounting method and required hardware for your application before installation.

Reference Number

The company catalog lists 2726 as an additional reference number. Reference numbers are provided for identification only; verify the shape, mounting area, and power range against your original component before ordering.

Engine and Model Compatibility

Check the engine or stern-drive specifications and the available mounting area before purchase. The applicable range supplied for this product is 40–300 HP.

Compatible Application Power Range Notes
Boat outboard motors 40–300 HP Confirm clearance and mounting-area dimensions before installation.
Stern drives 40–300 HP Confirm the specific drive configuration and required mounting hardware before installation.

Technical Specifications

Product Type
Whale tail hydrofoil stabilizer
Application
Boat outboard motors and stern drives
Compatible Power Range
40–300 HP
Color
Silver
Installation Location
Anti-ventilation plate area, subject to application compatibility
Product Configuration
Single stabilizer
Reference Number
2726

What’s in the Box

  • 1 × Sport-300 Whale Tail Hydrofoil Stabilizer

Mounting hardware and installation accessories are not specified in the company product record. Confirm the included contents and any additional hardware required for your application before installation.

Installation Notes

  1. Verify that the hydrofoil is suitable for your outboard motor or stern drive and that the application is within the 40–300 HP range.
  2. Check the anti-ventilation plate or drive mounting area for adequate clearance and a suitable mounting position.
  3. Follow the installation instructions supplied with the product, if provided, and use mounting hardware appropriate for the specific application.
  4. Ensure the stabilizer is centered, securely fastened, and clear of moving or steering components before operating the boat.
  5. After installation, inspect all fasteners and check the assembly again after the first operating session.

Troubleshooting and FAQ

Will this hydrofoil fit my specific engine model?

The supplied compatibility range is boat outboard motors and stern drives from 40 to 300 HP. Because mounting arrangements vary, confirm the anti-ventilation plate or drive configuration, available clearance, and mounting requirements for your specific application before ordering.

What power range does this stabilizer support?

This product is listed for compatible outboard motors and stern drives from 40 to 300 HP.

What color is the stabilizer?

The company product record identifies the finish as silver.

Is this product a kit?

No. The company product record identifies it as a single hydrofoil stabilizer rather than a multi-unit kit.

Is mounting hardware included?

The company record does not specify the mounting hardware or other installation accessories. Confirm the package contents before installation and obtain any application-specific hardware that may be required.

What is the reference number?

The company catalog lists 2726 as an additional reference number. Use it together with the product shape, application, and power range when comparing parts.

Safety and Important Information

  • Verify the power range, mounting area, clearance, and product appearance against your application before purchase.
  • Do not operate the boat if the stabilizer interferes with steering, propulsion, trim, or other moving components.
  • Use suitable marine-grade mounting hardware and follow the applicable installation instructions.
  • Professional installation is recommended when the required drilling, fastening, or fitment is uncertain.

About Sea Sierra

  • Marine Product Selection — We supply replacement and accessory products for a range of boating applications.
  • Application-Focused Information — Check product specifications and mounting conditions before installation.
  • Customer Support — Contact our support team if you need help comparing the product with your existing component.

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