UFLEX Inboard Hydraulic Steering Cylinder - UC339-I - 1.9" x 9" Heavy Duty BrassUFlex UC339-I hydraulic cylinders is made using advanced technology to ensure highest quality standard. Brass tubes that handle more pressure than aluminum and double seals to prevent leaks over time. The ports use straight threads for tight, secure connections without needing tape or glue. Bleeder screws are angled to easily release air without moving the cylinder. The piston rods are made of stainless steel with a chrome finish to resist corrosion and reduce wear. The rod ends are shaped for easy and secure ball joint fitting, and the cylinder supports are also brass.Features Brass cylinder tube for higher pressure resistance; Double seals in cylinder heads to prevent leaks; Straight threaded ports for secure connections without tape; 30 angled bleeder screws for easy air release; Number of turns lock-to-lock is equal port to starboard or vice-versa; Specification Volume: 339 cc - 20.7 cu.in; Torque: 172 kgm (14957.7 lbs.in); Output force: 1051 kg(2316.6 lbs); Internal Diameter: 50mm (1.97"); Stroke: 230mm (9"); Fittings: For 12 mm copper tube or TUR7 high pressure flexible hose;