Easily installed, this SeaStar Hydraulic Steering System is made to fit most single/twin outboards. A popular choice for unmatched comfort and control of your outboard, this steering system offers smooth and efficient steering for all hull types. Use with single outboards up to 300 HP and dual outboards up to 600 HP total. Steering wheel shaft: 3/4". Hose: 1,000 PSI. The kit contains a smooth front mount 1.7 c.i. displacement helm pump (HH5271), semi-universal front-mount cylinder (HC5345-3), two quarts of oil, bleeder kit, and installation guide. Two-year warranty.