Radium PCV Fluid Lock Catch Can Kit Honda Civic Type R FK8/FL5Radium Fluid Lock PCV Catch Can Kit Honda Civic Type R FK8 FL5 Suits: 2017 2021 Honda Civic Type R FK8 (K20C) 2022+ Honda Civic Type R FL5 (K20C) The Radium Engineering Fluid Lock PCV Catch Can Kit is engineered specifically for the Honda Civic Type R FK8 and FL5. The PCV and CCV side catch cans function completely independently of each other and are sold individually or together allowing you to address one or both sides of the crankcase ventilation