\n Base Spring Options of 3 -26 PSI

The OE knuckle is retained and upgraded with our spherical bearing conversion for the upper knuckle mount

This part is intended to cover the additional TPMS hole if wheel has two air valve holes and car doesn't use TPMS

PCD: 4x108

PCD: 5x120->5x112

BOV Kompact EM Dual Port VR17 (Toyota Yaris GR) SL-02 \n Base Spring Options ofThe award winning Kompact EM series Blow Off Valves, are the worlds first truly plug and play Blow Off Valves. Simply unplug and unbolt your OEM Blow Off Valve, and install ours in its place. No adapters, hoses or extra assembly required. All this while retaining complete OE control of the BOVs operation. Turbocharger performance is increased due to minimising leakage, rapid response, coupled with superior thermal performance thanks to our world