This SeaStar Rack & Pinnion, Mechanical Steering is the best choice for stern drives outboard, inboards and other power assisted steering applications.The new rack system features precision control and the comfort of a four turn helm . The cable, helm and bezel kit are easy to install with low on-going maintenance.FeaturesRequires Steering HelmSH5210P &Bezel Kit SB39526P for full installPrecise, easy 4 turns lock-to- lockRack & Pinnion SystemStandard 3/4 round tapered steering shaftStainless steel cable output endsMeets A.B.Y.C. standardsMeets N.M.M.A. certification requirementsComplete system requires these components1 x TXSSC134-Length Cable1 x TXSH5210P Helm1 x TXSB39526P Bezel Kit1 x Steering Wheel of Choice1 x Cable End to Rudder Fitting Kit -Select from rangeHow to measure a replacement cable installationMeasure Existing Cable as follows: Measure plastic cable jacket (“Y” dimension shown in above drawing) in inches, add 30″, and round up to next foot. Order that length cable.How to measure first-time steering cable installationMeasure cable routing path in boat as follows:A = Center line of the wheel to gunwale (inches)B = Dash to transom (inches)C = Gunwale to cable connection at centered tiller (inches)For tilt tube mounting, add A + B + C + 6″, and round up to the next foot. Order that length of cable. For transom/splashwell/stringer support mounting, add A + B + C, then subtract 6″ and round up to the next foot. Order that length of cable.