Side Mount Outboard Cylinder | Seastar HC5370-3 Seastar Side Mount Outboard Cylinder | HC5370-3 Unbalanced outboard hydraulic steering cylinder works with Seastar Solutions & Teleflex marine hydraulic steering helms to provide smooth, fatigue free steering. Teleflex outboard hydraulic steering cylinder For single or multiple outboard engine applications up to 600 HP Designed for use with engines fitted with power steering Ideal for cruisers and center console boats with shallow splashwells ORB fittings allow hose to be pointed in any direction Not for use with SeaStar Pro steering helms