Radium Engineering Catch Can Kit PCV for 2017-2024 Civic Type-R FK8 FL5Single catch can kit for the Honda Civic Type R (FK8). Interfaces with the PCV hose. All fittings, hoses and hardware included for an easy bolt in installation. Includes Radium's Fluid Lock catch can (patent pending). This catch can runs inline with the PCV (positive crankcase ventilation) valve and retains it's factory function. When the intake manifold pressure is close to or greater than atmospheric pressure, the PCV "check" valve closes and, thus,