Single helm replaces 1984 to date SeaStar "The Rack" steering helm without dash modification. For use in almost all sterndrive, inboard and other power-assisted applications where No Feedback steering is not required. Back mount design allows fast and easy installation in dash. Four turns lock-to-lock, standard 3/4" tapered steering shaft. Requires bezel kit, sold separately. Boat Type: Inboards and power-assisted sterndrives Steering Type: Rack and pinion Turns Lock-to-Lock: 4 Dimensions: 6-1/2"D behind dash front x 2"W Steering Wheel: Up to 16". Not included Steering Wheel Shaft: 3/4" Tapered shaft Cable Type: Uses SSC134 series cables Warranty: Two years