Teleflex HK6400A SeaStar Hydraulic Steering System , Teleflex SeaStar Hydraulic Steering Offers Superior Smooth Effortless Steering With No Prop Thrust Feedback. Outboard Steering System For Single Outboards up to 300-hp or 600-hp combined counter-rotating dual engine boats. For boats with Speeds up to 60-MPH. Kit Includes: Helm, Cylinder, Fittings and Fluid. Hoses and Steering Wheel Must Be Ordered Separately.