Radium Fluid Lock Crankcase Catch Can Kit - Ford Focus ST LZ 2015-2018Radium Fluid Lock Crankcase Catch Can Kit Ford Focus ST LZ (2015 2018) Suits: 2015 2018 Ford Focus ST LZ (EcoBoost) Important: Focus ST installations require the Radium 20 0356 Sound Symposer Delete Kit (or equivalent) to be installed before fitting this catch can. The Radium Engineering Fluid Lock Crankcase Catch Can Kit addresses the crankcase vent side of the crankcase ventilation system on the Ford Focus ST LZ. The PCV and crankcase side catch