This GrimmSpeed lightweight crank pulley is a great upgrade for your Subaru. It fits multiple models including the 2002 - 2014 WRX, 2004 - 2021 STI, 2004 - 2013 Forester XT, 2005 - 2009 Legacy GT, and 2005 - 2009 Outback XT. By reducing the overall rotational mass while keeping things safe, it boosts engine reliability and makes revs faster. Crafted from 6061 T6 Aluminum using CNC machining, it's 3.5lbs lighter than the OEM pulley. You won't experience misfires or engine hesitation. It has a timing mark and a precisely - cut keyway for easy installation. You can choose an anodized finish in black or red, and it features a white GrimmSpeed logo. The balanced 6061 T6 Aluminum construction, along with OEM timing marks for verification, ensures great performance. It reduces rotational mass by over 3.5lbs compared to the OEM, leading to quicker revs. Its optimal weight prevents misfire CELs or hesitation, and it fits directly like a factory part for a clean install. It's sold individually.
Using this GrimmSpeed lightweight crank pulley is straightforward. First, make sure your Subaru engine is turned off and cooled down. Then, remove the old OEM crank pulley carefully. Align the new pulley with the engine using the timing mark and the keyway, and install it in place. When choosing the anodized finish color, pick the one that suits your style. As for maintenance, keep it clean from dirt and debris. Check the pulley regularly for any signs of wear or damage. If you notice any issues, replace it promptly. Avoid over - tightening the pulley during installation as it might cause problems. Also, make sure to use the right tools for the job. With proper use and care, this pulley will serve you well and enhance your engine's performance.
