ST6002 S1 Hydraulic Inboard Pack SmartPilot System for hydraulic steering systems with ram capacities between 4.9 and 10.5 cubic inches (80cc - 172cc) Complete SmartPilot System package designed for medium sized inboard powerboats with hydraulic steering. Package consist of: ST6002 Control Head S1 Corepack with course computer, rudder reference and fluxgate compass Type 1 12 Volt Hydraulic Drive |