This expansion upgrade fits the Radium Engineering vent to engine oil catch tanks and allows the smaller 0.6 litre tank to be upgraded to the 0.9 litre version. The extension piece simply screws in between the top and bottom sections of the catch tank.
- Converts 0.6 litre tank to 0.9 litre
- Simply screws into place
- Fits Radium Engineering vent to engine oil catch tanks