
On Most Orders Over $250*
On Most Orders Over $250*
DETAILS
Upgrade your Subaru’s engine efficiency and performance with the PERRIN Alternator Pulley. Crafted from precision-machined 6061-T6 aluminum, this lightweight pulley reduces rotational mass compared to the OEM steel unit, allowing your engine to rev more freely and respond quicker.
Designed as a direct replacement for the factory pulley, installation is simple and requires no additional modifications. Whether you're building for the track or enhancing your daily driver, the PERRIN Alternator Pulley delivers a subtle yet effective performance boost while maintaining full charging system functionality.
Features:
CNC-machined 6061-T6 aluminum construction
Durable anodized finish in signature PERRIN colors
Reduces rotational mass for improved throttle response
Direct fit – no tuning or modifications required
Compatible with OEM and aftermarket belts
I’ve already experienced the benefit of a resurfaced flywheel and a lightweight crank pulley, and this matching component will help me achieve even better throttle response for my Impreza.
Nothing short of high-quality when it comes to Perrin products.
Thank you for taking the time to leave a 5 Star Review, Chris!
We are excited to hear how the Perrin pulley improved your alternator performance and resolved your belt issues. Combining performance and aesthetics is always a win, and we are glad you love it!
Regards,