The Red Line Fully Synthetic 75W85 GL-5 Gear Oil is the perfect lubricant for demanding applications where durability and performance are essential. This high-performance lubricant offers superior protection and reduced friction, ensuring your differential stays cool and operating at peak efficiency. The fully synthetic base provides greater stability and resistance to oxidative degradation compared to conventional mineral oils, while the advanced GL-5 technology ensures superior low-temperature fluidity and resistance to wear. This gear oil is suitable for both conventional and foreign vehicle applications, making it an excellent choice for classic, project, or enthusiast vehicles. With its long history of performance and reliability in various motorsports, Red Line has earned a reputation for delivering outstanding results. Trust Red Line to keep your differential protected and performing at its best.