Go Fast Bits 3 Piece Under-Drive Pulley Kit w/ Belts Subaru WRX / STI / Legacy GT / Forester XT 2002-2018

Improve your engine's response by adding this lightweight pulley set. Compared to OEM pulleys, these lightweight ones have less rotational mass. This reduction in rotational mass leads to enhanced engine response, giving you a small boost in both power and torque. The part number is 2010. This is the Go Fast Bits 3 - Piece Underdrive Pulley Kit. It includes the crank pulley, as well as both the alternator and power - steering pulleys. Crafted from aircraft - grade aluminum, these pulleys have an anodized black finish. This finish not only blends well with your engine bay but also provides extra protection against rust and corrosion. The kit comes with a set of serpentine belts, making it ready for easy installation. Fitment includes 2002 - 2014 WRX, 2004 - 2019 STI, 2005 - 2009 Legacy GT, and 2004 - 2013 Forester XT.

Using this Go Fast Bits pulley kit is easy. First, make sure your engine is turned off and cooled down. Then, remove the old pulleys and install the new ones from the kit. The included serpentine belts should be put on as per the correct routing in your vehicle. When installing, be gentle to avoid any damage to the pulleys. As for maintenance, it's a good idea to check the tightness of the belts regularly. If they seem loose, you can adjust them. Also, keep an eye on the pulleys for any signs of wear or rust. If you notice any issues, it's best to replace the parts right away. Make sure to clean the pulleys occasionally to keep them in good condition.