Featuring the helm with a Planetary Gear Design, the Fourtech offers performace, flexibility and durability increased by top quality materials and construction. Centered on the main drive shaft, this helm requires less room behind the dash and is a direct “drop in” replacement for competing system; requiring no new holes for installation. The package includes helm, bezel and highly flexible M90 Mach cable (patented). Cable length: 335,28 cm. lock-to-lock steering wheel turns: approx. 4,2, stroke: 228 mm (9”), maximum allowable steering wheel diameter: 406 mm (16”). For boats up to 50 mph. Fourtech II steering system is not to be used on boats equipped with engines that exceed the maximum horsepower rating of the boat.