This is a Very High Quality Rebuild Kit for Older Style Sea Star Helms HS5151 For Trim & Tilt Rebuild Services Call Five Star Marine [phone removed by eBay] We offer you the most professional services available for your trim unit, we stand behind every unit we build with a Full 2 Year Warranty. From fixing leak down issues to intern valve seating issues or boring and polishing cylinders and refitting seals we do it all. *2 Year Warranty (Parts & Labor) *Highest Quality Seals That Exceed OEM Life By 10 years *High Quality Non-Degradable Marine Grade Hydraulic Fluid *All Rams Polished To A Mirror Finish Using A 3 Stage processes and Industrial 3 Phase Baldor Buffers For A Better Than Factory Finish, A Seal Is Only As Good As The Surface It Rides On *Hot Tanked Using High Pressure Hot Tank Cleaning Machine *All Valves Removed & Cleaned In Ultrasonic Tank *Full Test Capabilities With Test Engines For Every Make & Model We've Serviced 1000s Of Units From All Over The World & Are The Specialist Dealers Call When They Can't Fix It!