PERRIN 93-14 Subaru Impreza (Incl. 02-14 WRX) / 04-21 STI Lightened Crank Pulley - Black

If you're looking to get a little more responsiveness from your 2002-2014 Subaru Impreza, especially if you've already done some engine work, a lightened crank pulley can make a noticeable difference. This Perrin pulley is designed to reduce the rotational mass at the front of your engine, which means the engine can spin up and down in RPMs more quickly. It's a popular modification for drivers who want their car to feel a bit more eager when they get on the gas.

Perrin makes this pulley from well-built aluminum and then coats it in a durable black finish. The lighter weight compared to the stock pulley means less parasitic drag on the engine. While it's not a massive horsepower gain on its own, it contributes to an improved throttle response that you can feel. Installation involves removing the old pulley and installing this one in its place, typically requiring a few basic hand tools and a way to hold the engine steady.

This pulley is a direct replacement for your factory unit, meaning it fits right without needing any modifications. It's a solid option if you're aiming for a more engaging driving experience from your Impreza.