TELEFLEX SEASTAR POWER ASSIST UNIT. Automotive Style" comfort hydraulic steering can be achieved w/Power Assist™. Dramatically increases steering comfort. Reduced wheel effort. Easy installation. Simple "add-on" to existing SeaStar® manual system (up to 2.0 cu. in. helms). Number of turns lock-to-lock remains the same. Compatible w/SeaStar® Power Purge system. Compatible w/autopilots. 15' Wiring harness included. Ignition protected. ABYC, CE, NMMA, ISO 10592 approved. Applications: 150 HP+ single outboards. Heavy 4-stroke outboards. Twin/Triple outboards. Inboards where rudder torque makes wheel effort heavy or uncomfortable. Description: TELEFLEX SEASTAR POWER ASSIST UNIT #PA-1200-2. 12V/24V