Attwood 9400 7 Hydro Stabilizer for Outboard Motors & Stern Drives - Boat Stabilization System for Smooth Sailing & Improved Performance

Gives outboards and stern drives a performance boost, improving both stability and handling. The Hydro-Stabilizer outperforms ordinary flat hydrofoils by reducing drag when the hull goes on plane. Installs on a large variety of motor styles and sizes with included stainless steel bolts and lock nuts. Wings constructed of black molded plastic.