Hydraulic Outboard Steering Cylinder HC5345-3 & Front Mount & Up to 300HP The front mount steering cylinder is designed for single and twin non-power assisted outboard engines up to 300HP. It offers excellent resistance to repeated compression set and is designed to better withstand the harsh marine environment. It is ideal for outboard-powered boats like the center console, offshore fishing, bass boats, flats boats, and many more. Powerful Performance Advanced Crush Resistance Built-In Two-Way Lock Aluminum Alloy Casing Key Features 【MAX WORKING PRESSURE: 10.3Mpa】- The hydraulic steering cylinder for outboard has a working pressure of up to 10.3Mpa, about 1500psi. 【ADVANCED CRUSH RESISTANCE】- State of the sealing system offers superior resistance to repeated compression set and is designed to better withstand the harsh environment. 【BUILT-IN TWO-WAY LOCK】- The hydraulic steering cylinder is equipped with a built-in two-way locking valve which eliminates rebound torque during torsion.