OEM Subaru FA/FB motor inner pulley; this drives the oil pump, and the crank pulley attaches to it.
Fits most FA- and FB-series Subaru motors. Does NOT fit 2015-2021 STI, since that has an EJ motor.
Fits :
- 2015-2021 WRX
- 2013-2021 BRZ
- 2013-2016 Crosstrek XV
- 2014-2018 Forester
- 2012-2014 Impreza
- 2013-2014 Legacy / Outback