Red Line Oil #57904 Gear Lube, Transmission Fluid and Gear Oil, 75W90, Limited Slip, Synthetic, 1 qt., Each. R31-57904 Description:Red Line Gear Oils are designed to provide excellent low-temperature characteristics and improved gear protection at higher temperatures. Red Line Gear Oils will reduce differential temperatures 10-70 degrees F. Efficiency improvements between 1-5% are typical. The synthetic base stocks used have tremendous thermal stability and provide the best film strength available. The unique combination of base stocks and additives allow Red Line gear oils to carry higher loads compared to petroleum lubricants.Features:*Most popular Red Line gear oil, with thousands of applications for passenger cars, light trucks, and racing vehicles*This product is not designed for use in most manual transmissions or transaxles, since the extreme slipperiness may cause synchronizer mesh issues that lead to shifting problems*Recommended for API GL-5, GL-6, MT-1, MIL-L-2105E, and SAE J2360