75 ml bottle of silicone oil for 30.000cst differentials from Ultimate Racing. The Ultimate Racing differential oil is made with 100% pure silicone to provide stable performance at any working temperature, delaying differential fatigue. The silicone gradation is measured in Cst, and the higher the article number, the greater the density. It also contains anti-friction additives that minimize friction and thus reduce wear on the differential gears.


























