Original Mugen Seiki silicone oil with a viscosity of 1,000,000cps are used exclusively to adjust the locking effect in differential gears. Temperature-resistant silicone oil that retains its viscosity even with strong temperature fluctuations. The oil is also resistant to ageing, it retains its prescribed viscosity even after prolonged storage. Box contents include 1 tube of 50 ml and a viscosity of silicone oil 1,000,000 cps.