Torque Solution lightweight alternator pulley (black) fits Subaru EJ WRX 2006–2014 and STI 2007–2021 applications, providing a direct replacement for the factory pulley. By reducing rotating mass at the alternator, it alters accessory drive dynamics and is supplied specifically for the listed EJ engine platforms. The part is intended as a reversible modification for maintenance or performance tuning of compatible Subaru models.
Torque Solution Lightweight Alternator Pulley (Black): Subaru EJ WRX 06-14 / STI 07-21