This Perrin crank pulley is a game - changer for your Subaru. It fits 2002 - 2014 WRX, 2004 - 2021 STI, 2005 - 2009 Legacy GT, 2005 - 2009 Outback XT, and 2004 - 2013 Forester XT models without AC. Designed to reduce engine rotational mass, it boosts rev speed, response, and overall performance. With an anodized blue finish and a white PERRIN logo, it looks great too. Weighing just 1.0 lbs, 4 lbs lighter than the stock OEM pulley, it's like removing over 100 lbs of vehicle weight. Machined from 6061 T6 billet aluminum, it has precision - machined grooves that work perfectly with all OEM and aftermarket belts. Ideal for engine builders aiming for high horsepower and torque.
Using this Perrin crank pulley is straightforward. First, make sure your Subaru model is one of the compatible ones without AC as listed. Then, remove the old crank pulley and install this new one carefully. When installing, ensure that the precision - machined grooves align well with your belts. As for maintenance, keep it clean and dry. You can use a soft cloth to wipe it down occasionally. Avoid using harsh chemicals that might damage the anodized blue finish. Remember, this pulley is designed for models without AC, so don't try to use it on models with AC to prevent any potential issues.
