Perrin EJ Engines Alternator Pulley - Blue - 06-14 WRX, 07-21 STI, 06-13 Forester XT, 05-09 Legacy - PSP-ENG-119BL 21mm * Independently adjust throw and

* Independently adjust throw and gate

2015:BMW:320i xDrive:Base

2017:Cadillac:CTS:Vsport Premium Luxury

NOTE: Coloring and finish on the tool steel arm may vary from product photos due to machining and heat treat processes

increasing the overall volume by 89% over stock and bumping up the external fin surface area by 162%

Perrin EJ Engines Alternator Pulley - Blue - 06-14 WRX, 07-21 STI, 06-13 Forester XT, 05-09 Legacy - PSP-ENG-119BL 21mm * Independently adjust throw andMatching our signature Crank Pulley design, the PERRIN Alternator Pulley decreases rotational weight while maintaining good looks. (1) PERRIN Alternator Pulley Warranty & Instructions Perrin EJ Engines Alternator Pulley Black 06 14 WRX, 07 21 STI, 06 13 Forester XT, 05 09 Legacy Fitment Subaru WRX 2002 2007, 2006: Subaru: Impreza: WRX, 2006: Subaru: Impreza: WRX Limited, 2006: Subaru: Impreza: WRX TR, 2007: Subaru: Impreza: WRX, 2007: Subaru: Impreza: