HMTG018 PREMIUM GEAR OIL LS 90 is a specially formulated extreme pressure gear oil for use in limited slip differentials. The introduction of the limited slip differential introduced further requirements for lubricants. The use of multi-purpose gear oils did not prevent the chatter and slip stick operation of the clutches. HMTG018 PREMIUM GEAR OIL LS 90 gear oil is manufactured from high quality base oils, performance EP additives and specially selected friction modifiers to provide a lubricant with the exacting requirements for limited slip operations. API GL-5. Always refer to the manufacturers handbook before use. Performance levels can be subject to change. Technical Datasheets available upon request.