300 HP Outboard Steering Cylinder HC5345-3 Specifications Compatibility: Designed for outboard-powered boats up to 300HP, including center console boats, offshore fishing boats, bass boats, flats boats, cruisers, and yachts. Ideal for both single and twin non-power assisted outboard engine setups. Maximum Working Pressure: 10.3MPa (1500PSI) for reliable performance in high-pressure marine environments. Material: Casing: High-strength aluminum alloy for durability, corrosion resistance, and long-lasting performance. Sealing System: Advanced sealing technology designed to resist repeated compression sets and water leakage, providing superior protection against saltwater corrosion. Valve Type: Built-in two-way lock valve to eliminate rebound torque during sharp turns and sudden maneuvers, enhancing stability and control. Mounting: Front mount, compatible with most outboard motors. Fittings: Includes positionable stainless steel O-Ring (ORB) fittings for flexible hose routing and secure installation. Engine Compatibility: Suitable for single or twin engine configurations with a tilt angle compatible for twin/triple engine installations. Temperature Range: Operates effectively in temperatures ranging from -40°F to 176°F (-40°C to 80°C), suitable for various environmental conditions. Performance Features: Provides smooth and responsive steering control, even at high speeds or in rough water. Ensures precise turning and steering efficiency for optimal boat handling. Replacement Compatibility: Direct replacement for SeaStar HC5345-3 hydraulic steering cylinder. Provides a high-performance alternative with superior durability.