![Perrin [22-26 WRX] FA/FB Alternator Pulley Black | PSP-ENG-121BK Release Bearings 4 analog inputs for additional](https://cdn.shopify.com/s/files/1/0023/6109/8353/files/perrin-22-26-wrx-fafb-alternator-pulley-black-psp-eng-121bk-2259997.jpg?v=1783650608)
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Ships within 48 hours · Estimated delivery Jul 28 - Aug 2
4 analog inputs for additional sensors (EGT
Construction: Laser Cut & Sheet Metal Bending
Recommended For:Modern performance cars
so they'll stay looking sharp with minimal maintenance
Perrin [22-26 WRX] FA/FB Alternator Pulley Black | PSP-ENG-121BK Release Bearings 4 analog inputs for additionalPREVENT FUTURE FAILURESubaru models with OEM clutch style alternator pulleys may fail over time. This failure can lead to knocking noises, battery charging issues, belt wear, and cause belts to become extra jumpy. The PERRIN Alternator Pulley removes this future failure point. DECREASE ROTATIONAL MASSPERRIN Alternator Pulleys weigh just 0. 20 lbs., which is lighter than the OEM alternator pulley. Throttle response, horsepower, and torque are all
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