Torque Solution lightweight alternator pulley in black is a direct‑fit upgrade for Subaru EJ WRX 2002–2005 and STI 2004–2006 models. The pulley reduces rotational mass at the alternator to alter accessory drive behavior and is supplied for the specified EJ engine applications. It is intended as a reversible drivetrain component for enthusiasts and technicians working on those Subaru models.
Torque Solution Lightweight Alternator Pulley (Black): Subaru EJ WRX 02-05 / STI 04-06