SeaStar HC6345-3 Pro Steering CylinderThis SeaStar HC6345-3 outboard hydraulic cylinder features an upgrade to the barrel, sealing system and fittings. The robust barrel and new graphics complement the styling on new boats and motors. The new sealing system offers excellent resistance to repeated compression set and is designed to better withstand the harsh environment. Note: This Cylinder is designed for use with Pro XS Model enginesFeatures: Independent engine tilt for twin/triple engine installations; Easy steering; Suitable for use with all SeaStar Helms & SeaStar Power Assist; Varying lock to lock turn ratio, dependent on helm selection; State of the art proprietary sealing system offers excellent resistance to repeated compression set; Stainless steel adjustable O-Ring (ORB) fitting for easier installation; Specifications: Shaft Diameter : .75"; Actuation Stroke: 8"; Seal Kit: HS5157; Fluid Volume : 8.34oz;