Great upgrade
This was an easy upgrade and a quality part way better than the stock one .
Fitment Information:
2002-2014 Subaru WRX
2004-2021 Subaru STI
2004-2013 Subaru Forester XT
2005-2009 Subaru Legacy GT
2005-2009 Subaru Outback XT
Features:
Decreasing the overall rotational mass while maintaining a safe presence can increase reliability and engine revs! The GrimmSpeed Lightweight Crank Pulley features a lightweight and durable design for improved performance and engine response. This means no misfire or engine hesitation. This pulley is CNC machined from 6061 T6 Aluminum and is 3.5lbs lighter than the OEM crank pulley. This pulley is further designed with a timing mark and a perfect cut keyway to make the installation a breeze.