SeaStar HC5358-3 Front Mount Hydraulic Outboard Marine Steering Cylinder Positionable Stainless Steel O-Ring (ORB) Fittings for easy hose routing Robust Barrel design and NEW graphics compliment new boats and motor packages For use with Yamaha applications where it's necessary to mount the steering cylinder under the steering arm, giving full clearance from the cowling. State of the Art Proprietary Sealing System offers superior resistance to repeated compression set and is designed to better withstand the harsh environment Not recommended for boats that exceed 75 mph or run surface piercing props or the power exceeds the maximum Coast Guard rating for the vessel