TAMIYA RC Damper Oil Air Remover
This part # TAMIYA/54152 is made by Tamiya, it can help you draw out the air bubbles faster when assembling your shocks. To get started with using this tool, you need to firstly fill the damper with oil to about 80% full. Then slide the piston to its half way position and insert the dampers into the holder. Put the pump against the valve and pump 20 times. The bubbles will come out to the oil surface as the vacuum is in effect and they will be removed in 30 seconds. This tool can be used with 1/10 to 1/8 size shocks.