For inboard engines. Balanced: the number of turns lock-to-lock is equal port to starboard or vice-versa. Maximum rudder torque 87 kgm (7565 lbs. in). The UC168-I cylinders are recommended for use with UP28 or UP33 series helms and pre-assembled hoses (Kit OB and Kit OB/R5). Nylon tubing 3/8" 84101 can be used as an alternative to the standard KIT-OB hose kit for plumbing the system. For these applications the fitting kit for the additional station is 84112 - KIT95-2S.