Overdose High Performance Suspension OilOverdose High Performance Suspension Oil Feature: For: Dampers A shock oil for RC cars jointly developed with Wako Chemical. It is the ultimate shock absorber oil that balances many performances required for RC cars at a high level. By having damping characteristics that rise linearly with respect to piston speed, it is possible to respond to a wide range of road surface conditions and driving. Since it has lower friction than silicone oil, it