Upgrade your Subaru’s performance with the Perrin Lightweight Crank Pulley, designed for models equipped with FA engines including the WRX, Forester XT, Legacy, BRZ, and Impreza. This premium crank pulley reduces rotational weight by over 3.7 lbs compared to the OEM part, delivering quicker throttle response and faster engine revs without sacrificing reliability.

Crafted from durable 6061T6 aluminum and finished with a hard anodized coating, the Perrin pulley resists corrosion and stands up to daily driving and track use. It’s CNC-machined for precision and fits directly onto your engine using stock tools, requiring no tuning or modifications. Compatible with OEM belts and pulleys, installation is straightforward and hassle-free.

Whether you’re chasing track gains or just want a more responsive daily drive, the PSP-ENG-101 is a smart, effective upgrade. Subaru enthusiasts looking for a reliable, lightweight crank pulley will appreciate this quality part. Shop now to enhance your Subaru’s performance with Subimods.