Fitment: 2002 - 2014 Subaru WRX, 2004 - 2021 Subaru STI, 2005 - 2009 Subaru Legacy GT, 2005 - 2009 Subaru Outback XT, 2004 - 2013 Subaru Forester XT. This crank pulley is designed to reduce engine rotational mass, enabling faster revs, better response, and increased performance. It's for those who removed the AC belt drive, perfect for high - horsepower engine builds. Details: Anodized red finish with a white PERRIN logo. It weighs only 1.0 lbs, 4 lbs lighter than the stock OEM pulley. Reducing crankshaft weight is like removing over 100 lbs from the vehicle. Machined from 6061 T6 billet aluminum, it has precision - machined grooves that fit all OEM and aftermarket belts. Note: For models without AC.



Using this Perrin red lightweight crank pulley is straightforward. First, make sure your vehicle model is one of the compatible ones listed in the fitment information. Since it's for models without AC, double - check that the AC belt drive has been removed. When installing, ensure that the precision - machined grooves line up perfectly with your belts, whether they're OEM or aftermarket. As for maintenance, it's made from 6061 T6 billet aluminum, which is durable. But it's a good idea to check it regularly for any signs of wear and tear, like scratches or dents. Keep it clean, and if you notice any issues, it might be time to have it inspected or replaced. Remember, the light weight of this pulley is key to its performance, so handle it carefully to avoid any damage that could affect its weight or balance.