SeaStar HC6345-3 Pro Steering Cylinder This 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 engines Features Independent engine tilt for twintriple engine instal