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AeroShell Fluid S.8350 is used for helicopter rotor gears, drive-shafts and pitch control mechanisms and wherever high loads and slow speeds in gears require the use of a 90 EP gear oil. AeroShell Fluid S.8350 is approved for use in various Westland helicopter gearboxes.


  • Extreme pressure gearbox oil
  • Approved for use in Westland helicopter gearboxes
  • For use in rotor gears, drive shafts and pitch control mechanisms