The SeaStar HC5312-3 Inboard Marine Hydraulic Steering Cylinder is designed for single and dual rudder vessels with two axis articulation and easy autopilot interface. Manufactured with regular marine-duty aluminum, this cylinder is backed by SeaStar's two-year limited warranty and has a wide range of boat steering applications.• Low friction hydraulic steering• Easily installed on a single or dual rudder boat• Marine-grade aluminum• Meets A.B.Y.C. standards and NMMA certification requirementsSpecsStroke: 7"Displacement: 7.2 cu. in. Body Diameter: 1.25"Shaft Diameter: 0.5"Torque @ 1000 psi @35°: 5024 in./lbs. Fits a wide range of boat steering applications Low friction hydraulic steering Meets ABYC standards & NMMA certification | Seastar Dometic HC5312-3 Inboard BA125-7ATM Hydraulic Steering Cylinder