TheYotaGarage is proud to offer the Perrin Performance Alternator Pulley for your 2022 Toyota GR86. Toyota 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. The Perrin Alternator Pulley weighs just .2 lbs, which is lighter than the OEM alternator pulley. Throttle response, horsepower, and torque are all increased with this easy to install part. This part is also designed to match the Perrin Crank Pulley, and the precision machined grooves tightly sync with all the OEM and aftermarket belts. Lastly, this Perrin Alternator Pulley is machined from 6061-T6 billet aluminum and laser etched for a increased belt life and a precision fit.