Tamiya TAM54418
RC Silicone Diff Oil #500 000 500K CST
This is high viscosity silicone oil for use with sealed gear differential units to allow fine diff hardness adjustment to match driving conditions. The #500000 is the highest viscosity among gear diff oils currently available on the market and provides the same effect as a direct coupling spool often used in Touring Car Racing.
WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov