75W110 Gear Oil Synthetic GL-5 Differential Gear Oil 1 Quart Red Line OilThese products contain the extreme pressure additives necessary for ultimate protection road cars and racing vehicles, as well as friction modifiers for proper limited slip operation Fully synthetic formulas created from polyol ester base stocks, offer excellent lubrication under extreme conditions. High viscosity index (VI) to provide relatively constant viscosity and film thickness with varying temperature change. Ester base stocks and friction