Ultraflex NAUTECH-1/M90 outboard hydraulic steering kit with power for engines up to 300 HP. Number of turns from port to starboard is 4.3. The kit consists of a front mount helm pump model UP28F, external cylinder UC128-OBF, and 2 liters of hydraulic oil OL 150.

The power output of the UC128-OBF/1 piston is 300Hp , with a volume of 120cm3 . | The cylinder stroke by hydraulic pressure is 185mm . | The hydraulic pump UP28F has a maximum pressure of 70Bars and a displacement of 28 cm3/rev. | The maximum diameter of the helm wheel is 710 mm . | KIT OB-60: Hose kit with pre-assembled fittings available in lengths from 3 m (9.8′) to 9 m (29.5’).