For single & dual non-power-assisted O/b engines up to 300 HP (600 combined HP for counter-rotating duals) that have ABYC standard engine tilt tube. Ideal for cruisers runabouts center console & offshore fishing boats. Suitable for speeds up to 60 mph & dual station use (with purchase of extra helm Hose & fittings). allows independent engine tilt in dual engine installations. Dual engines require purchase of tie bar kit & extra hardware. Features patented steering lock valves. Low friction Hydraulic steering system. 5 turns from lock-to-lock (single cylinder). compact helm with 4-7/16'' footprint requires 3'' dash hole. Standard 3/4'' tapered steering shaft. Meets a.B.Y.C. Standards. Meets N.M.M.A. Certification requirements.