UFLEX UC128OBF steering cylinders are designed for compatibility with competing helms.Compatible with competing helms, hoses and oil, the UC128 cylinder is built to last with heavy-duty stainless steel cylinder rod, seals and link assemblies. Constructed of top grade materials this cylinder is simple to install and fits almost every 2- and 4-stroke outboard engine in the market. The UC128 cylinders are recommended for use with UP25, UP28, UP33 and UP39 series helms and preassembled hoses (Kit OB and Kit OB-BHBR). We offer the UC128-OBF cylinder in three versions to cover most applications. UFLEX steering cylinders are covered by a Two-Year Limited Warranty.Key FeaturesOffered in three versions to cover most applicationsCompatible with competing helmsHeavy-duty stainless steel componentsFit most two- and four-stroke outboardsSpecificationsVolume: 7.3 cu in (120cc)Output Force: 992lb.Dimensions: 21 7/16"W x 3"D (See the Dimensioned Drawing)Inside Diameter: 1 3/8" (35mm)Stroke: 7 1/4" (185mm)Hose: 3/8" high-pressure flex hoseFor help in selecting the correct steering cylinder for your application, see the Selection Guide. If you are unsure which cylinder to select, we suggest you consult with an experienced installer.