Radium Dual Fluid Lock Catch Can Kit - Ford Focus RS LZ 16-17Radium Dual Fluid Lock Catch Can Kit Ford Focus RS LZ (2016 2017) Suits: 2016 2017 Ford Focus RS LZ (2. 3L EcoBoost) The Radium Engineering Dual Fluid Lock Catch Can Kit is the complete crankcase ventilation solution for the Ford Focus RS LZ, combining both the PCV side and crankcase side catch cans in a single purchase. Both cans function completely independently of each other and can also be purchased separately. This is a closed loop system it does