BOV Kompact Supersonic Honda Civic CTR/RS TS-0203-1017A direct fit high performance replacement for the factory plastic unit, the Turbosmart Kompact BOV suits the new generation Honda VTEC Turbo engines found in the Civic Type R and Civic Type R (Fk2). It is capable of handling high levels of boost and is made of billet aerospace grade aluminium with high temperature seals. If you are looking for a BOV for your 1. 5L Civic SI or RS, please purchase TS 0203 1018. https: www. turbosmart. com product honda