The StingRay Classic 2, Senior Hydrofoil is engineered to blast all boat types out of the hole quicker than ever before, and keep boats on plane at lower speeds - leading to significant fuel savings! Porpoising, chinewalking, cavitation, and ventilation are reduced or eliminated - stabilizing the boat and providing a safer and more comfortable ride. For boats pulling tubers, skiers, or wakeboarders the StingRay Classic 2, Senior Hydrofoil helps pull them up quicker, and increases driver visibility by getting the bow of the boat down sooner. The drag-reducing wing texture ensures maximum top-end speed while the ghosted graphics package provides a subtle yet powerful statement that your boat features the latest technology from the world's leading hydrofoil stabilizer brand - StingRay Hydrofoils. The 4-Bolt Installation method is the industry's most secure yet simple installation giving you confidence and peace of mind while on the water - guaranteed to never come off your engine! The StingRay Classic 2, Senior Hydrofoil provides top-notch performance enhancement, ghosted graphics styling, and pays for itself in fuel savings - making this one of the best performance accessories you can add to your boat! Fits Most Outboards and Sterndrives: 40-400HPSaves Fuel - Quickly Pays for ItselfIncreases Driver VisibilityMay Increase Top-End SpeedDrag-Reducing Wing Texture and Ghosted GraphicsFeatures 4-Bolt InstallationRecommended For: All Types of Boats