SeaStar HH5271-3 Front Mount 1.7 Hydraulic Marine Steering Helm Convenient front of dash fill which can be retrofitted into an old SeaStar 4.5" hole cutout Positionable Stainless Steel O-Ring (ORB) Fittings for easy hose routing Compact helm has only a 4-7/16" footprint and needs only a 3 dash hole 4.9 turns lock-to-lock in most typical single cylinder outboard applications INSTALLATION NOTE: Do NOT attempt to install an NPT pipe fitting into a -3 helm hose fitting port. Doing so will lead to irreparable damage to the helm