Seastar Pro Hydraulic Steering Kit without Hoses. For high performance applications up to 350HP including bass boats and other performance boats capable of speeds in excess of 65 MPH. Suitable for use with high-performance propellers and jack plates. Low friction hydraulic steering systemStandard 3/4" tapered steering shaft4.25 turns lock-to-lockCompact helm with a 4-7/16" footprint, needs only 3" dash holePackaged with: HH57703 SeaStar PRO 2.0 Front Mount Helm, HC63453 Front Mount Cylinder,HA5430 (2) - SeaStar Oil (Quart), Instructions