Performance helm pumps for single, non-power-assisted outboards up to 350 HP.Designed for the performance boater, SeaStar Pro helm pumps are designed for boats with high-speed single engine outboards. Delivers uncompromising steering control. Suited for all those demanding high speed outboard powered boat applications like Bass, Flats, Combo Race and Ski and other performance boats capable of speed in the excess of 60 MPH.Helms feature patented steering lock valves, 4.25 turns from lock-to-lock, compact helm with 4 7/16" footprint and multiple helm mounting options.SpecificationsHorsepower:Single, non-power-assisted outboards up to 300hpSpeed:60mph +Helm:Choice of 1.7, 2.0, 2.4cu.in. displacmentsHose:Designed for use with SeaStar Kevlar-reinforced, 1500psi hydraulic hose, sold separatelyTurns Lock-to-Lock:4.25Steering Wheel:Sold separatelySteering Wheel Shaft:3/4" taperedWarranty:Two-year warrantyKey FeaturesSuitable for use with high-performance propellers and jack platesMeet A.B.Y.C standards and N.M.M.A. certification requirementsMore informationIf you plan on replacing your current hydraulic hoses, seeHow to Measure for Hydraulic Steering Hoses. For installation, see the SeaStar Helm Installation Manual.