---
product_id: 34848934
title: "Marine Dynamics Hydro Tail Stingray"
brand: "stingray hydrofoils"
price: "VT47854"
currency: VUV
in_stock: true
reviews_count: 8
url: https://www.desertcart.vu/products/34848934-marine-dynamics-hydro-tail-stingray
store_origin: VU
region: Vanuatu
---

# Fits 40-300 HP engines 4-bolt easy install Boosts planing speed Marine Dynamics Hydro Tail Stingray

**Brand:** stingray hydrofoils
**Price:** VT47854
**Availability:** ✅ In Stock

## Summary

> 🚤 Glide faster, ride smoother, own the water.

## Quick Answers

- **What is this?** Marine Dynamics Hydro Tail Stingray by stingray hydrofoils
- **How much does it cost?** VT47854 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.vu](https://www.desertcart.vu/products/34848934-marine-dynamics-hydro-tail-stingray)

## Best For

- stingray hydrofoils enthusiasts

## Why This Product

- Trusted stingray hydrofoils brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Rapid Plane Lift:** Get on plane faster and save fuel with superior hydrodynamics.
- • **Rock-Solid Stability:** Reduces cavitation, ventilation, chinewalking, and porpoising for a smoother ride.
- • **Proudly American-Made:** Engineered and manufactured in the USA with decades of marine expertise.
- • **Universal Power Range:** Optimized for 40-300 HP outboard and outdrive motors—versatility meets performance.
- • **Effortless Installation:** Simple 4-drill mounting with included stainless steel hardware—no guesswork.

## Overview

The Marine Dynamics Hydro Tail Stingray Classic Senior is a premium hydrofoil stabilizer fin designed for 40-300 HP outboard and outdrive motors. Crafted with ultra-durable materials and hydrodynamic engineering, it significantly improves boat planing speed, stability, and fuel efficiency. Easy to install with included hardware, this USA-made accessory reduces common boating issues like cavitation and porpoising, delivering a safer, smoother ride for fishing and recreational boats alike.

## Description

Buy STINGRAY HYDROFOILS - Classic Senior Hydrofoils for 40-300 hp Boats (Grey) - Engine Stabilizer Fins for Outboard/Outdrive Motors - Made in The USA: Tail Light Assemblies - desertcart.com ✓ FREE DELIVERY possible on eligible purchases

Review: Great product—Here’s the truth about what you get - There’s a lot of misinformation in the Q & A. The attached photos show what you get. This is called the “Stingray Classic” and is made for motors 40 HP and above. It bolts on with four stainless steel bolts which are included. You will have to drill four holes in your outboard or stern drive. I’ve included a photo of my stern drive with the four holes drilled. The color of this looks almost black, especially when in the package. After taking it out, the color is really a very dark grey. It works really well and makes a big difference in how the boat performs.
Review: Does what it says it will do - This for sure helped get our 22' cabin cruiser on plane a lot faster and eliminated prop blow out when trimming up. Did not notice any loss in top speed. Installation on a Alpha one drive is a bit tricky as you cannot fit a drill over the top and must drill up from the bottom.

## Features

- SUPERIOR QUALITY: Get on plane quicker and maximize your stabilization with the one and only StingRay! Our expertly engineered design is the gold standard for hydrofoils. The hydrodynamic construction generates more lift than any other stabilizer fins.
- STINGRAY CLASSIC SENIOR: These hydrofoils give engine lift for a wide variety of boats and sizes of outboard / outdrive motors. This single piece hydrofoil is one of our most popular models ever. The Classic Senior is designed for 40-300 hp engines and comes in black, white, or grey.
- MORE RELIABLE: Our ultra-durable heavy-duty construction gives you better reduction of vacitation, ventilation, chinewalking, and porpoising. Our hydrofoils get boats on plane quick for improved safety, visibility, and reduced strain on the engine saving you money on fuel.
- ULTIMATE STABILITY: Our easy 4-Drill installation anchors your hydrofoil (sometimes called a whale tail) to your engine's cavitation plate. Just slide the hydrofoil on and drill where the holes are to achieve the perfect fit! Mounting hardware is included.
- UNBEATABLE PERFORMANCE: Get the best for your boat, get a StingRay! We've used years of marine engineering experience to design and refine the most durable, highest-performing tools and accessories for your boats. StingRay is made in the USA and we're proud to serve customers all across America!

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B001F0IJIY |
| Brand | STINGRAY HYDROFOILS |
| Brand Name | STINGRAY HYDROFOILS |
| Color | Gray |
| Customer Reviews | 4.6 4.6 out of 5 stars (240) |
| Date First Available | June 8, 2005 |
| Engine Type | 4 Stroke |
| Fuel Type | Gasoline |
| Global Trade Identification Number | 00096144006190 |
| Item Package Dimensions L x W x H | 23.5 x 18 x 1.5 inches |
| Item Weight | 1.47 Kilograms |
| Manufacturer | Marine Dynamics |
| Maximum Horsepower | 300 Horsepower |
| Mounting Type | Transom Mount |
| Number of Items | 1 |
| Operation Mode | Manual |
| Package Weight | 1.59 Kilograms |
| Part Number | SR-3 |
| Recommended Uses For Product | For Fishing Boats, For Inflatable Boats |
| Sport Type | Boating |
| UPC | 096144006190 |

## Product Details

- **Brand:** STINGRAY HYDROFOILS
- **Color:** Gray
- **Engine Type:** 4 Stroke
- **Item Weight:** 1.47 Kilograms
- **Operation Mode:** Manual

## Images

![Marine Dynamics Hydro Tail Stingray - Image 1](https://m.media-amazon.com/images/I/51-wFhUUp+L.jpg)

## Questions & Answers

**Q: How does it attach?**
A: It comes with 4 holes cast into the Stingray device. The instructions say to place the Stingray on the cavitation plate as far forward as it will go and and use the Stingray holes to mark where you will drill mounting holes in the cavitation plate.  This plate is usually made of aluminum or hard plastic and won’t be very difficult to drill through.   You will need a 1/4 inch drill bit for the  holes.

**Q: Will this one fit a 70hp Yamaha outboard?**
A: Yes

**Q: what is the distance between the pre drilled holes?**
A: The distance between the front set of holes and the rear set of holes is 4.0”

The distance between the left front hole and right front hole is 4.0”

The distance between the left rear hole and right rear hole is 3.875”

**Q: Will it fit on a 3.3 merc cruiser 4 cylinder ?**
A: Yes it should.  Check stingrays application they do make one for the mercury cruiser I am not sure if the one I purchased for the Yamaha will fit the mer cruiser I see you I think it will but please check with mer cruiser before purchasing

## Customer Reviews

### ⭐⭐⭐⭐⭐ Great product—Here’s the truth about what you get
*by D***. on May 11, 2018*

There’s a lot of misinformation in the Q & A. The attached photos show what you get. This is called the “Stingray Classic” and is made for motors 40 HP and above. It bolts on with four stainless steel bolts which are included. You will have to drill four holes in your outboard or stern drive. I’ve included a photo of my stern drive with the four holes drilled. The color of this looks almost black, especially when in the package. After taking it out, the color is really a very dark grey. It works really well and makes a big difference in how the boat performs.

### ⭐⭐⭐⭐⭐ Does what it says it will do
*by J***R on July 7, 2023*

This for sure helped get our 22' cabin cruiser on plane a lot faster and eliminated prop blow out when trimming up. Did not notice any loss in top speed. Installation on a Alpha one drive is a bit tricky as you cannot fit a drill over the top and must drill up from the bottom.

### ⭐⭐⭐⭐⭐ Should be on every boat.
*by A***S on October 7, 2022*

I've used these on two boats, and it really adds a level of safety by ensuring you don't get excessive bow-rise during acceleration which blocks your view. This does a great job lifting the back of the boat to get on plane quickly and adds speed by not dragging a heavy stern. Best boat accessory you can install.

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*Product available on Desertcart Vanuatu*
*Store origin: VU*
*Last updated: 2026-03-15*