Mobilube HD LS 80W-90 is an extra high performance, automotive lubricant formulated from select base oils and an advanced additive system specifically for limited-slip differentials. This lubricant is engineered for performance in heavy-duty limited-slip differentials, axles, and final drives where extreme pressures and shock loading are expected providing API GL-5 level performance. Mobilube HD LS 80W-90 provides exceptional chemical and thermal stability at elevated bulk oil temperatures. Limited-slip differentials, axles, and final drives requiring API GL-5 level performance; Passenger cars, on-highway passenger light and heavy duty trucks, busses and vans; Off-highway industries including: construction, quarrying, and agriculture; Other industrial and automotive applications involving hypoid and other gears operating under conditions where high speed/shock load, high speed/low torque, and/or low speed/high torque conditions prevail; Mobilube HD LS 80W-90 gear lubricant is intended for initial fill, topping-off, and refill of enclosed automotive type gearing where SAE 80W-90 limited-slip gear lubricants are recommended; Do not use in transmissions or transaxles for which engine oil or automatic transmission fluids are recommended |