Pennzoil, QT, Automatic Transmission Fluid, High Quality Based On High Viscosity Index Mineral Oils & Carefully Selected Additives, Blended To Meet The Stringent Requirements Of Leading Automotive Transmission Manufacturers, Friction Modified To Provide Consistent, Reliable, Smooth & Trouble Free Operation Of Automotive Transmission Systems, High Oxidation Resistance To Degradation & Keeps Automatic Transmissions Clean, Good Shear Stability, A Special VI Improver Minimizes The Changes In Viscosity With Operating Temperature, Dependable Anti-Wear & Gear Protection For Long Component Life, Low Temperature Performance Provides Excellent Oil Fluidity At Low Temperatures.