Hydrofoil Stabilizer Fins – Fits Outboard Motors Up to 50HP (4-50 HP) (Replaces Five Oceans FO-4470, SE Sport 300) 4HP steady stream of water from

steady stream of water from the tell-tale outlet

OB664190 & UP MerCruiser Blackhawk 1994–1995 78458A1 Serial No

it fits all models equipped with magnetic drain plugs

Firmly attach a new

The most reliable way to ensure fitment is to measure your existing shaft to confirm it is 1/2 inch

Hydrofoil Stabilizer Fins – Fits Outboard Motors Up to 50HP (4-50 HP) (Replaces Five Oceans FO-4470, SE Sport 300) 4HP steady stream of water fromProduct Details These Hydrofoil Stabilizer Fins are designed to improve performance and stability for outboard motors ranging from 4 to 50 HP. Suitable for a wide variety of brands including Mercury, Yamaha, Evinrude, and Honda, they help boats get on plane faster and stay on plane at lower speeds. The two piece design allows each foil to flex independently, absorbing shock and providing a smoother ride. This part serves as a direct replacement for