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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
• Installation Guide PDF
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 Perrin Crank Pulley
• 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.
Vehicle Fitment:
2022-2023 Subaru WRX
• Installation Guide PDF
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 Perrin Crank Pulley
• 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.
| Part Number: | Finish: |
| PSP-ENG-121BK | Black |
| PSP-ENG-121RD | Red |
| PSP-ENG-121BL | Blue |
See more Perrin Products
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From $18.15
Original: $51.85
-65%Perrin Alternator Pulley for 2022+ WRX (PSP-ENG-121)—
$51.85
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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
• Installation Guide PDF
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 Perrin Crank Pulley
• 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.
Vehicle Fitment:
2022-2023 Subaru WRX
• Installation Guide PDF
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 Perrin Crank Pulley
• 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.
| Part Number: | Finish: |
| PSP-ENG-121BK | Black |
| PSP-ENG-121RD | Red |
| PSP-ENG-121BL | Blue |
See more Perrin Products
Product Information
Product Information
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Description
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
• Installation Guide PDF
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 Perrin Crank Pulley
• 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.
Vehicle Fitment:
2022-2023 Subaru WRX
• Installation Guide PDF
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 Perrin Crank Pulley
• 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.
| Part Number: | Finish: |
| PSP-ENG-121BK | Black |
| PSP-ENG-121RD | Red |
| PSP-ENG-121BL | Blue |
See more Perrin Products
