Perrin Alternator Pulley Blue (PSP-ENG-121BL) | Subaru WRX 2015-2025 / Forester XT 2014-2018 / Ascent 2019-2025 / Legacy XT 2021-2025 / Outback XT 2021-2025

The Perrin Alternator Pulley Blue reduces accessory drive weight and adds a blue performance accent to FA-powered Subaru engine bays while preserving OEM charging characteristics.

KEY FEATURES

• Billet aluminum construction for weight reduction
• Blue anodized finish for a custom look
• Reduces rotational mass at the alternator
• OEM-diameter pulley ensures proper belt and alternator speed
• Direct-fit design for multiple FA turbo models

VEHICLE FITMENT

• Subaru WRX (2015–2025)
• Subaru Forester XT (2014–2018)
• Subaru Ascent (2019–2025)
• Subaru Legacy XT (2021–2025)
• Subaru Outback XT (2021–2025)

Perrin products are engineered for precision Subaru performance and long-term reliability.