GenV cap including 1/8NPT reference ports

The two ports allow users to run a wide variety of accessories such as boost gauges and wastegate actuators

we recommend using tires no bigger than 605mm (215/40R17

We recommend tire diameter not bigger than 620mm (235/40 R17)

OEM fixing diameter is 56 mm

BOV Kompact EM Dual Port VR4 Nissan GenV cap including 1/8NPT referenceA direct fit high performance replacement for the factory plastic unit, the Turbosmart Kompact BOV suits the new generation Honda VTEC Turbo K series engines found in the the Civic RS (1. 5L) and also the Civic Type R. It is capable of handling high levels of boost and is made of billet aerospace grade aluminium with high temperature seals.