MATADOR SAE 80W-90  GL4 is a multi-grade automotive gear lubricants with extreme pressure additive and consisting of premium synthetic base oils. It is reinforced with friction modifiers and other additives to produce an extra ordinary gear lubricant. It is a high grade premium gear lubricant manufactured from selected highly refined base oil. Specially made for use in automotive gears, particularly hypoid gear units, heavy duty industrial type enclosed gear units, steering gears and fluid lubricated universal joints of automotive equipment where limited slip properties are required. It is highly recommended for a wide range of temperature operation between -25 °C  to 180 °C. Recommended shelf life is 3 to 3½  years.