Perrin Alternator Pulley for 2022+ WRX (PSP-ENG-121)

Perrin lightweight alternator pulley for 2022-2023 Subaru WRX is .7 pounds lighter than stock and can increase HP, TQ and throttle response. Fits OEM and aftermarket belts. Available in 3 colors: black, red and blue.

Vehicle Fitment:
2022-2023 Subaru WRX
•

Purchase Includes:
(1) Alternator Pulley
(1) M17 Nut

Features:
• 6061 CNC aluminum
• Anodized Finish
• Perrin pulley weighs 0.20 pounds
• OEM pulley weighs 0.92 pounds
• Designed to match the
• Fits OEM and aftermarket belts

Subaru 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.