Perrin [06-14 WRX, 07-21 STI, 12-16 Impreza, 06-13 FXT, 05-09 Legacy] Alternator Pulley Black | PSP-ENG-119BK Engine Function Display Compatible With Audi A4 /

Compatible With Audi A4 / A4 Quattro / S4 (B8) 2009 2010 2011 2012 2013 2014 2015 2016

Equipped with a 400-cell EPA-compliant high-flow catalytic converter

Fits 1st- and 2nd-gen Subaru BRZ / FR-S / GT86 platforms*

engineered specifically for high-performance K-Series race applications

Perrin [06-14 WRX, 07-21 STI, 12-16 Impreza, 06-13 FXT, 05-09 Legacy] Alternator Pulley Black | PSP-ENG-119BK Engine Function Display Compatible With Audi A4 /The PERRIN Performance Crank Pulley weighs just . 2 lbs, which is lighter than the stock OEM pulley. Throttle response, horsepower and torque are all increased with this easy to install part. Precision machined mounting hub included. Designed to look mean and fast, the PERRIN Performance crank pulley has precision machined grooves which tightly sync with all OEM and aftermarket belts. The PERRIN crank pulley is machined from 6061T6 billet aluminum,